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Marlin 3D Printer Firmware

Marlin is the world's most popular open source firmware for Replicating Rapid Prototyper (RepRap) machines, commonly referred to as "3D printers." Marlin Firmware is highly efficient, running even on modest 16MHz embedded AVR processors. While Marlin 1.1 only supports ATmega AVR (Arduino, etc.) and AT90USB (Teensy++ 2.0), Marlin 2.0 also adds support for several ARM processors, including the SAM3X8E (Arduino Due), NXP LPC1768/LPC1769 ARM Cortex-M3 (Re-Arm, MKS SBASE, Smoothieboard), and ARM Cortex-M4 (Teensy 3.5/3.6, STM32F1/4/7).

A monumental amount of talent and effort goes into Marlin production, and thanks are due to many volunteers around the world. We work closely with the community, contributors, vendors, host and library developers, etc. to improve the quality, configurability, and compatibility of Marlin Firmware with a huge variety of boards. For the final 1.1 release we focused on code quality, performance, stability, and overall user experience. Several new features were added, many of which require no extra hardware.

Documentation

  • Visit marlinfw.org for complete documentation on configuration, installation, features, and the many G-codes that Marlin supports. We will continue to expand the site to include in-depth articles, tutorials, and how-to videos on all of Marlin's features.
  • See the Releases page for Release Notes on all current and previous versions of Marlin.
  • Check out the RepRap.org Marlin Page for an overview of Marlin and its role in the RepRap project.

Marlin 1.1.x

The 1.1.x branch is home to all tagged releases of Marlin 1.1.

Marlin 1.1.9 is the final release of the AVR-only flat version of Marlin Firmware, so there will be no further 1.1.x releases. However bugfix-1.1.x will continue to receive patches for critical bugs, so be sure to test it (or bugfix-2.0.x) before reporting any bugs you find in 1.1.9.

Marlin 2.0.x

Marlin 2.0 is the future, featuring a much-improved hierarchical file structure and full 32-bit support via a Hardware Access Layer (HAL). Marlin 2.0 continues to work with Arduino IDE for the platforms it supports, and the excellent PlatformIO IDE is recommended for the next generation of ARM-based boards. If you're looking for the very best that Marlin has to offer and aren't bothered by a few rough edges, give version 2.0 a try!

Contributing to Marlin

Click on the Issue Queue and Pull Requests links above at any time to see what we're currently working on.

To submit patches and new features for Marlin 2.0 check out the bugfix-2.0.x branch, add your commits, and submit a Pull Request back to the bugfix-2.0.x branch. Once 2.0.x has been certified for a critical mass of common 32-bit boards, it will become the next major release and will be the basis for all future major and minor releases.

Note that our "bugfix" branches always contain the latest patches and new code. These patches may not be widely tested. As always, when using "nightly" builds of Marlin, proceed with full caution.

Marlin Resources

Marlin User Support

Looking for help? Our GitHub Issue Queue is only for development-related issues, feature requests, and bug reports. But there are several places where you can get help from experienced users:

Credits

Marlin Admins:

Notable contributors:

License

Marlin is published under the GPL license because we believe in open development. The GPL comes with both rights and obligations. Whether you use Marlin firmware as the driver for your open or closed-source product, you must keep Marlin open, and you must provide your compatible Marlin source code to end users upon request. The most straightforward way to comply with the Marlin license is to make a fork of Marlin on Github, perform your modifications, and direct users to your modified fork.

While we can't prevent the use of this code in products (3D printers, CNC, etc.) that are closed source or crippled by a patent, we would prefer that you choose another firmware or, better yet, make your own.

  • Travis Build Status
  • Flattr Scott Lahteine - Flattr Scott Lahteine
  • Flattr Erik van der Zalm - Flattr Erik van der Zalm

About

Optimized firmware for RepRap 3D printers based on the Arduino platform.

www.marlinfw.org/

Resources

Readme
GPL-3.0 license

Code of conduct

Code of conduct

Contributing

Contributing
Activity

Stars

3 stars

Watchers

2 watching

Forks

1 fork
Report repository

Releases

Packages

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

Skip to content
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Marlin 3D Printer Firmware
Marlin is the world's most popular open source firmware for Replicating Rapid Prototyper (RepRap) machines, commonly referred to as "3D printers." Marlin Firmware is highly efficient, running even on modest 16MHz embedded AVR processors. While Marlin 1.1 only supports ATmega AVR (Arduino, etc.) and AT90USB (Teensy++ 2.0), Marlin 2.0 also adds support for several ARM processors, including the SAM3X8E (Arduino Due), NXP LPC1768/LPC1769 ARM Cortex-M3 (Re-Arm, MKS SBASE, Smoothieboard), and ARM Cortex-M4 (Teensy 3.5/3.6, STM32F1/4/7).
A monumental amount of talent and effort goes into Marlin production, and thanks are due to many volunteers around the world. We work closely with the community, contributors, vendors, host and library developers, etc. to improve the quality, configurability, and compatibility of Marlin Firmware with a huge variety of boards. For the final 1.1 release we focused on code quality, performance, stability, and overall user experience. Several new features were added, many of which require no extra hardware.
Documentation
  • Visit marlinfw.org for complete documentation on configuration, installation, features, and the many G-codes that Marlin supports. We will continue to expand the site to include in-depth articles, tutorials, and how-to videos on all of Marlin's features.
  • See the Releases page for Release Notes on all current and previous versions of Marlin.
  • Check out the RepRap.org Marlin Page for an overview of Marlin and its role in the RepRap project.
Marlin 1.1.x
The 1.1.x branch is home to all tagged releases of Marlin 1.1.
Marlin 1.1.9 is the final release of the AVR-only flat version of Marlin Firmware, so there will be no further 1.1.x releases. However bugfix-1.1.x will continue to receive patches for critical bugs, so be sure to test it (or bugfix-2.0.x) before reporting any bugs you find in 1.1.9.
Marlin 2.0.x
Marlin 2.0 is the future, featuring a much-improved hierarchical file structure and full 32-bit support via a Hardware Access Layer (HAL). Marlin 2.0 continues to work with Arduino IDE for the platforms it supports, and the excellent PlatformIO IDE is recommended for the next generation of ARM-based boards. If you're looking for the very best that Marlin has to offer and aren't bothered by a few rough edges, give version 2.0 a try!
Contributing to Marlin
Click on the Issue Queue and Pull Requests links above at any time to see what we're currently working on.
To submit patches and new features for Marlin 2.0 check out the bugfix-2.0.x branch, add your commits, and submit a Pull Request back to the bugfix-2.0.x branch. Once 2.0.x has been certified for a critical mass of common 32-bit boards, it will become the next major release and will be the basis for all future major and minor releases.
Note that our "bugfix" branches always contain the latest patches and new code. These patches may not be widely tested. As always, when using "nightly" builds of Marlin, proceed with full caution.
Marlin Resources
Marlin User Support
Looking for help? Our GitHub Issue Queue is only for development-related issues, feature requests, and bug reports. But there are several places where you can get help from experienced users:
Credits
Marlin Admins:
Notable contributors:
License
Marlin is published under the GPL license because we believe in open development. The GPL comes with both rights and obligations. Whether you use Marlin firmware as the driver for your open or closed-source product, you must keep Marlin open, and you must provide your compatible Marlin source code to end users upon request. The most straightforward way to comply with the Marlin license is to make a fork of Marlin on Github, perform your modifications, and direct users to your modified fork.
While we can't prevent the use of this code in products (3D printers, CNC, etc.) that are closed source or crippled by a patent, we would prefer that you choose another firmware or, better yet, make your own.
  • Travis Build Status
  • Flattr Scott Lahteine - Flattr Scott Lahteine
  • Flattr Erik van der Zalm - Flattr Erik van der Zalm
About
Optimized firmware for RepRap 3D printers based on the Arduino platform.
www.marlinfw.org/
Resources
Readme
GPL-3.0 license
Code of conduct
Code of conduct
Contributing
Contributing
Activity
Stars
3 stars
Watchers
2 watching
Forks
1 fork
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
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Marlin 3D Printer Firmware
Marlin is the world's most popular open source firmware for Replicating Rapid Prototyper (RepRap) machines, commonly referred to as "3D printers." Marlin Firmware is highly efficient, running even on modest 16MHz embedded AVR processors. While Marlin 1.1 only supports ATmega AVR (Arduino, etc.) and AT90USB (Teensy++ 2.0), Marlin 2.0 also adds support for several ARM processors, including the SAM3X8E (Arduino Due), NXP LPC1768/LPC1769 ARM Cortex-M3 (Re-Arm, MKS SBASE, Smoothieboard), and ARM Cortex-M4 (Teensy 3.5/3.6, STM32F1/4/7).
A monumental amount of talent and effort goes into Marlin production, and thanks are due to many volunteers around the world. We work closely with the community, contributors, vendors, host and library developers, etc. to improve the quality, configurability, and compatibility of Marlin Firmware with a huge variety of boards. For the final 1.1 release we focused on code quality, performance, stability, and overall user experience. Several new features were added, many of which require no extra hardware.
Documentation
  • Visit marlinfw.org for complete documentation on configuration, installation, features, and the many G-codes that Marlin supports. We will continue to expand the site to include in-depth articles, tutorials, and how-to videos on all of Marlin's features.
  • See the Releases page for Release Notes on all current and previous versions of Marlin.
  • Check out the RepRap.org Marlin Page for an overview of Marlin and its role in the RepRap project.
Marlin 1.1.x
The 1.1.x branch is home to all tagged releases of Marlin 1.1.
Marlin 1.1.9 is the final release of the AVR-only flat version of Marlin Firmware, so there will be no further 1.1.x releases. However bugfix-1.1.x will continue to receive patches for critical bugs, so be sure to test it (or bugfix-2.0.x) before reporting any bugs you find in 1.1.9.
Marlin 2.0.x
Marlin 2.0 is the future, featuring a much-improved hierarchical file structure and full 32-bit support via a Hardware Access Layer (HAL). Marlin 2.0 continues to work with Arduino IDE for the platforms it supports, and the excellent PlatformIO IDE is recommended for the next generation of ARM-based boards. If you're looking for the very best that Marlin has to offer and aren't bothered by a few rough edges, give version 2.0 a try!
Contributing to Marlin
Click on the Issue Queue and Pull Requests links above at any time to see what we're currently working on.
To submit patches and new features for Marlin 2.0 check out the bugfix-2.0.x branch, add your commits, and submit a Pull Request back to the bugfix-2.0.x branch. Once 2.0.x has been certified for a critical mass of common 32-bit boards, it will become the next major release and will be the basis for all future major and minor releases.
Note that our "bugfix" branches always contain the latest patches and new code. These patches may not be widely tested. As always, when using "nightly" builds of Marlin, proceed with full caution.
Marlin Resources
Marlin User Support
Looking for help? Our GitHub Issue Queue is only for development-related issues, feature requests, and bug reports. But there are several places where you can get help from experienced users:
Credits
Marlin Admins:
Notable contributors:
License
Marlin is published under the GPL license because we believe in open development. The GPL comes with both rights and obligations. Whether you use Marlin firmware as the driver for your open or closed-source product, you must keep Marlin open, and you must provide your compatible Marlin source code to end users upon request. The most straightforward way to comply with the Marlin license is to make a fork of Marlin on Github, perform your modifications, and direct users to your modified fork.
While we can't prevent the use of this code in products (3D printers, CNC, etc.) that are closed source or crippled by a patent, we would prefer that you choose another firmware or, better yet, make your own.
  • Travis Build Status
  • Flattr Scott Lahteine - Flattr Scott Lahteine
  • Flattr Erik van der Zalm - Flattr Erik van der Zalm
About
Optimized firmware for RepRap 3D printers based on the Arduino platform.
www.marlinfw.org/
Resources
Readme
GPL-3.0 license
Code of conduct
Code of conduct
Contributing
Contributing
Activity
Stars
3 stars
Watchers
2 watching
Forks
1 fork
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
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Marlin 3D Printer Firmware
Marlin is the world's most popular open source firmware for Replicating Rapid Prototyper (RepRap) machines, commonly referred to as "3D printers." Marlin Firmware is highly efficient, running even on modest 16MHz embedded AVR processors. While Marlin 1.1 only supports ATmega AVR (Arduino, etc.) and AT90USB (Teensy++ 2.0), Marlin 2.0 also adds support for several ARM processors, including the SAM3X8E (Arduino Due), NXP LPC1768/LPC1769 ARM Cortex-M3 (Re-Arm, MKS SBASE, Smoothieboard), and ARM Cortex-M4 (Teensy 3.5/3.6, STM32F1/4/7).
A monumental amount of talent and effort goes into Marlin production, and thanks are due to many volunteers around the world. We work closely with the community, contributors, vendors, host and library developers, etc. to improve the quality, configurability, and compatibility of Marlin Firmware with a huge variety of boards. For the final 1.1 release we focused on code quality, performance, stability, and overall user experience. Several new features were added, many of which require no extra hardware.
Documentation
  • Visit marlinfw.org for complete documentation on configuration, installation, features, and the many G-codes that Marlin supports. We will continue to expand the site to include in-depth articles, tutorials, and how-to videos on all of Marlin's features.
  • See the Releases page for Release Notes on all current and previous versions of Marlin.
  • Check out the RepRap.org Marlin Page for an overview of Marlin and its role in the RepRap project.
Marlin 1.1.x
The 1.1.x branch is home to all tagged releases of Marlin 1.1.
Marlin 1.1.9 is the final release of the AVR-only flat version of Marlin Firmware, so there will be no further 1.1.x releases. However bugfix-1.1.x will continue to receive patches for critical bugs, so be sure to test it (or bugfix-2.0.x) before reporting any bugs you find in 1.1.9.
Marlin 2.0.x
Marlin 2.0 is the future, featuring a much-improved hierarchical file structure and full 32-bit support via a Hardware Access Layer (HAL). Marlin 2.0 continues to work with Arduino IDE for the platforms it supports, and the excellent PlatformIO IDE is recommended for the next generation of ARM-based boards. If you're looking for the very best that Marlin has to offer and aren't bothered by a few rough edges, give version 2.0 a try!
Contributing to Marlin
Click on the Issue Queue and Pull Requests links above at any time to see what we're currently working on.
To submit patches and new features for Marlin 2.0 check out the bugfix-2.0.x branch, add your commits, and submit a Pull Request back to the bugfix-2.0.x branch. Once 2.0.x has been certified for a critical mass of common 32-bit boards, it will become the next major release and will be the basis for all future major and minor releases.
Note that our "bugfix" branches always contain the latest patches and new code. These patches may not be widely tested. As always, when using "nightly" builds of Marlin, proceed with full caution.
Marlin Resources
Marlin User Support
Looking for help? Our GitHub Issue Queue is only for development-related issues, feature requests, and bug reports. But there are several places where you can get help from experienced users:
Credits
Marlin Admins:
Notable contributors:
License
Marlin is published under the GPL license because we believe in open development. The GPL comes with both rights and obligations. Whether you use Marlin firmware as the driver for your open or closed-source product, you must keep Marlin open, and you must provide your compatible Marlin source code to end users upon request. The most straightforward way to comply with the Marlin license is to make a fork of Marlin on Github, perform your modifications, and direct users to your modified fork.
While we can't prevent the use of this code in products (3D printers, CNC, etc.) that are closed source or crippled by a patent, we would prefer that you choose another firmware or, better yet, make your own.
  • Travis Build Status
  • Flattr Scott Lahteine - Flattr Scott Lahteine
  • Flattr Erik van der Zalm - Flattr Erik van der Zalm
About
Optimized firmware for RepRap 3D printers based on the Arduino platform.
www.marlinfw.org/
Resources
Readme
GPL-3.0 license
Code of conduct
Code of conduct
Contributing
Contributing
Activity
Stars
3 stars
Watchers
2 watching
Forks
1 fork
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
BranchesTags
Repository files navigation
Marlin 3D Printer Firmware
Marlin is the world's most popular open source firmware for Replicating Rapid Prototyper (RepRap) machines, commonly referred to as "3D printers." Marlin Firmware is highly efficient, running even on modest 16MHz embedded AVR processors. While Marlin 1.1 only supports ATmega AVR (Arduino, etc.) and AT90USB (Teensy++ 2.0), Marlin 2.0 also adds support for several ARM processors, including the SAM3X8E (Arduino Due), NXP LPC1768/LPC1769 ARM Cortex-M3 (Re-Arm, MKS SBASE, Smoothieboard), and ARM Cortex-M4 (Teensy 3.5/3.6, STM32F1/4/7).
A monumental amount of talent and effort goes into Marlin production, and thanks are due to many volunteers around the world. We work closely with the community, contributors, vendors, host and library developers, etc. to improve the quality, configurability, and compatibility of Marlin Firmware with a huge variety of boards. For the final 1.1 release we focused on code quality, performance, stability, and overall user experience. Several new features were added, many of which require no extra hardware.
Documentation
  • Visit marlinfw.org for complete documentation on configuration, installation, features, and the many G-codes that Marlin supports. We will continue to expand the site to include in-depth articles, tutorials, and how-to videos on all of Marlin's features.
  • See the Releases page for Release Notes on all current and previous versions of Marlin.
  • Check out the RepRap.org Marlin Page for an overview of Marlin and its role in the RepRap project.
Marlin 1.1.x
The 1.1.x branch is home to all tagged releases of Marlin 1.1.
Marlin 1.1.9 is the final release of the AVR-only flat version of Marlin Firmware, so there will be no further 1.1.x releases. However bugfix-1.1.x will continue to receive patches for critical bugs, so be sure to test it (or bugfix-2.0.x) before reporting any bugs you find in 1.1.9.
Marlin 2.0.x
Marlin 2.0 is the future, featuring a much-improved hierarchical file structure and full 32-bit support via a Hardware Access Layer (HAL). Marlin 2.0 continues to work with Arduino IDE for the platforms it supports, and the excellent PlatformIO IDE is recommended for the next generation of ARM-based boards. If you're looking for the very best that Marlin has to offer and aren't bothered by a few rough edges, give version 2.0 a try!
Contributing to Marlin
Click on the Issue Queue and Pull Requests links above at any time to see what we're currently working on.
To submit patches and new features for Marlin 2.0 check out the bugfix-2.0.x branch, add your commits, and submit a Pull Request back to the bugfix-2.0.x branch. Once 2.0.x has been certified for a critical mass of common 32-bit boards, it will become the next major release and will be the basis for all future major and minor releases.
Note that our "bugfix" branches always contain the latest patches and new code. These patches may not be widely tested. As always, when using "nightly" builds of Marlin, proceed with full caution.
Marlin Resources
Marlin User Support
Looking for help? Our GitHub Issue Queue is only for development-related issues, feature requests, and bug reports. But there are several places where you can get help from experienced users:
Credits
Marlin Admins:
Notable contributors:
License
Marlin is published under the GPL license because we believe in open development. The GPL comes with both rights and obligations. Whether you use Marlin firmware as the driver for your open or closed-source product, you must keep Marlin open, and you must provide your compatible Marlin source code to end users upon request. The most straightforward way to comply with the Marlin license is to make a fork of Marlin on Github, perform your modifications, and direct users to your modified fork.
While we can't prevent the use of this code in products (3D printers, CNC, etc.) that are closed source or crippled by a patent, we would prefer that you choose another firmware or, better yet, make your own.
  • Travis Build Status
  • Flattr Scott Lahteine - Flattr Scott Lahteine
  • Flattr Erik van der Zalm - Flattr Erik van der Zalm
About
Optimized firmware for RepRap 3D printers based on the Arduino platform.
www.marlinfw.org/
Resources
Readme
GPL-3.0 license
Code of conduct
Code of conduct
Contributing
Contributing
Activity
Stars
3 stars
Watchers
2 watching
Forks
1 fork
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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Marlin 3D Printer Firmware
Marlin is the world's most popular open source firmware for Replicating Rapid Prototyper (RepRap) machines, commonly referred to as "3D printers." Marlin Firmware is highly efficient, running even on modest 16MHz embedded AVR processors. While Marlin 1.1 only supports ATmega AVR (Arduino, etc.) and AT90USB (Teensy++ 2.0), Marlin 2.0 also adds support for several ARM processors, including the SAM3X8E (Arduino Due), NXP LPC1768/LPC1769 ARM Cortex-M3 (Re-Arm, MKS SBASE, Smoothieboard), and ARM Cortex-M4 (Teensy 3.5/3.6, STM32F1/4/7).
A monumental amount of talent and effort goes into Marlin production, and thanks are due to many volunteers around the world. We work closely with the community, contributors, vendors, host and library developers, etc. to improve the quality, configurability, and compatibility of Marlin Firmware with a huge variety of boards. For the final 1.1 release we focused on code quality, performance, stability, and overall user experience. Several new features were added, many of which require no extra hardware.
Documentation
  • Visit marlinfw.org for complete documentation on configuration, installation, features, and the many G-codes that Marlin supports. We will continue to expand the site to include in-depth articles, tutorials, and how-to videos on all of Marlin's features.
  • See the Releases page for Release Notes on all current and previous versions of Marlin.
  • Check out the RepRap.org Marlin Page for an overview of Marlin and its role in the RepRap project.
Marlin 1.1.x
The 1.1.x branch is home to all tagged releases of Marlin 1.1.
Marlin 1.1.9 is the final release of the AVR-only flat version of Marlin Firmware, so there will be no further 1.1.x releases. However bugfix-1.1.x will continue to receive patches for critical bugs, so be sure to test it (or bugfix-2.0.x) before reporting any bugs you find in 1.1.9.
Marlin 2.0.x
Marlin 2.0 is the future, featuring a much-improved hierarchical file structure and full 32-bit support via a Hardware Access Layer (HAL). Marlin 2.0 continues to work with Arduino IDE for the platforms it supports, and the excellent PlatformIO IDE is recommended for the next generation of ARM-based boards. If you're looking for the very best that Marlin has to offer and aren't bothered by a few rough edges, give version 2.0 a try!
Contributing to Marlin
Click on the Issue Queue and Pull Requests links above at any time to see what we're currently working on.
To submit patches and new features for Marlin 2.0 check out the bugfix-2.0.x branch, add your commits, and submit a Pull Request back to the bugfix-2.0.x branch. Once 2.0.x has been certified for a critical mass of common 32-bit boards, it will become the next major release and will be the basis for all future major and minor releases.
Note that our "bugfix" branches always contain the latest patches and new code. These patches may not be widely tested. As always, when using "nightly" builds of Marlin, proceed with full caution.
Marlin Resources
Marlin User Support
Looking for help? Our GitHub Issue Queue is only for development-related issues, feature requests, and bug reports. But there are several places where you can get help from experienced users:
Credits
Marlin Admins:
Notable contributors:
License
Marlin is published under the GPL license because we believe in open development. The GPL comes with both rights and obligations. Whether you use Marlin firmware as the driver for your open or closed-source product, you must keep Marlin open, and you must provide your compatible Marlin source code to end users upon request. The most straightforward way to comply with the Marlin license is to make a fork of Marlin on Github, perform your modifications, and direct users to your modified fork.
While we can't prevent the use of this code in products (3D printers, CNC, etc.) that are closed source or crippled by a patent, we would prefer that you choose another firmware or, better yet, make your own.
  • Travis Build Status
  • Flattr Scott Lahteine - Flattr Scott Lahteine
  • Flattr Erik van der Zalm - Flattr Erik van der Zalm
About
Optimized firmware for RepRap 3D printers based on the Arduino platform.
www.marlinfw.org/
Resources
Readme
GPL-3.0 license
Code of conduct
Code of conduct
Contributing
Contributing
Activity
Stars
3 stars
Watchers
2 watching
Forks
1 fork
Report repository
Releases
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
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Marlin 3D Printer Firmware
Marlin is the world's most popular open source firmware for Replicating Rapid Prototyper (RepRap) machines, commonly referred to as "3D printers." Marlin Firmware is highly efficient, running even on modest 16MHz embedded AVR processors. While Marlin 1.1 only supports ATmega AVR (Arduino, etc.) and AT90USB (Teensy++ 2.0), Marlin 2.0 also adds support for several ARM processors, including the SAM3X8E (Arduino Due), NXP LPC1768/LPC1769 ARM Cortex-M3 (Re-Arm, MKS SBASE, Smoothieboard), and ARM Cortex-M4 (Teensy 3.5/3.6, STM32F1/4/7).
A monumental amount of talent and effort goes into Marlin production, and thanks are due to many volunteers around the world. We work closely with the community, contributors, vendors, host and library developers, etc. to improve the quality, configurability, and compatibility of Marlin Firmware with a huge variety of boards. For the final 1.1 release we focused on code quality, performance, stability, and overall user experience. Several new features were added, many of which require no extra hardware.
Documentation
  • Visit marlinfw.org for complete documentation on configuration, installation, features, and the many G-codes that Marlin supports. We will continue to expand the site to include in-depth articles, tutorials, and how-to videos on all of Marlin's features.
  • See the Releases page for Release Notes on all current and previous versions of Marlin.
  • Check out the RepRap.org Marlin Page for an overview of Marlin and its role in the RepRap project.
Marlin 1.1.x
The 1.1.x branch is home to all tagged releases of Marlin 1.1.
Marlin 1.1.9 is the final release of the AVR-only flat version of Marlin Firmware, so there will be no further 1.1.x releases. However bugfix-1.1.x will continue to receive patches for critical bugs, so be sure to test it (or bugfix-2.0.x) before reporting any bugs you find in 1.1.9.
Marlin 2.0.x
Marlin 2.0 is the future, featuring a much-improved hierarchical file structure and full 32-bit support via a Hardware Access Layer (HAL). Marlin 2.0 continues to work with Arduino IDE for the platforms it supports, and the excellent PlatformIO IDE is recommended for the next generation of ARM-based boards. If you're looking for the very best that Marlin has to offer and aren't bothered by a few rough edges, give version 2.0 a try!
Contributing to Marlin
Click on the Issue Queue and Pull Requests links above at any time to see what we're currently working on.
To submit patches and new features for Marlin 2.0 check out the bugfix-2.0.x branch, add your commits, and submit a Pull Request back to the bugfix-2.0.x branch. Once 2.0.x has been certified for a critical mass of common 32-bit boards, it will become the next major release and will be the basis for all future major and minor releases.
Note that our "bugfix" branches always contain the latest patches and new code. These patches may not be widely tested. As always, when using "nightly" builds of Marlin, proceed with full caution.
Marlin Resources
Marlin User Support
Looking for help? Our GitHub Issue Queue is only for development-related issues, feature requests, and bug reports. But there are several places where you can get help from experienced users:
Credits
Marlin Admins:
Notable contributors:
License
Marlin is published under the GPL license because we believe in open development. The GPL comes with both rights and obligations. Whether you use Marlin firmware as the driver for your open or closed-source product, you must keep Marlin open, and you must provide your compatible Marlin source code to end users upon request. The most straightforward way to comply with the Marlin license is to make a fork of Marlin on Github, perform your modifications, and direct users to your modified fork.
While we can't prevent the use of this code in products (3D printers, CNC, etc.) that are closed source or crippled by a patent, we would prefer that you choose another firmware or, better yet, make your own.
  • Travis Build Status
  • Flattr Scott Lahteine - Flattr Scott Lahteine
  • Flattr Erik van der Zalm - Flattr Erik van der Zalm
About
Optimized firmware for RepRap 3D printers based on the Arduino platform.
www.marlinfw.org/
Resources
Readme
GPL-3.0 license
Code of conduct
Code of conduct
Contributing
Contributing
Activity
Stars
3 stars
Watchers
2 watching
Forks
1 fork
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

Skip to content
BranchesTags
Repository files navigation
Marlin 3D Printer Firmware
Marlin is the world's most popular open source firmware for Replicating Rapid Prototyper (RepRap) machines, commonly referred to as "3D printers." Marlin Firmware is highly efficient, running even on modest 16MHz embedded AVR processors. While Marlin 1.1 only supports ATmega AVR (Arduino, etc.) and AT90USB (Teensy++ 2.0), Marlin 2.0 also adds support for several ARM processors, including the SAM3X8E (Arduino Due), NXP LPC1768/LPC1769 ARM Cortex-M3 (Re-Arm, MKS SBASE, Smoothieboard), and ARM Cortex-M4 (Teensy 3.5/3.6, STM32F1/4/7).
A monumental amount of talent and effort goes into Marlin production, and thanks are due to many volunteers around the world. We work closely with the community, contributors, vendors, host and library developers, etc. to improve the quality, configurability, and compatibility of Marlin Firmware with a huge variety of boards. For the final 1.1 release we focused on code quality, performance, stability, and overall user experience. Several new features were added, many of which require no extra hardware.
Documentation
  • Visit marlinfw.org for complete documentation on configuration, installation, features, and the many G-codes that Marlin supports. We will continue to expand the site to include in-depth articles, tutorials, and how-to videos on all of Marlin's features.
  • See the Releases page for Release Notes on all current and previous versions of Marlin.
  • Check out the RepRap.org Marlin Page for an overview of Marlin and its role in the RepRap project.
Marlin 1.1.x
The 1.1.x branch is home to all tagged releases of Marlin 1.1.
Marlin 1.1.9 is the final release of the AVR-only flat version of Marlin Firmware, so there will be no further 1.1.x releases. However bugfix-1.1.x will continue to receive patches for critical bugs, so be sure to test it (or bugfix-2.0.x) before reporting any bugs you find in 1.1.9.
Marlin 2.0.x
Marlin 2.0 is the future, featuring a much-improved hierarchical file structure and full 32-bit support via a Hardware Access Layer (HAL). Marlin 2.0 continues to work with Arduino IDE for the platforms it supports, and the excellent PlatformIO IDE is recommended for the next generation of ARM-based boards. If you're looking for the very best that Marlin has to offer and aren't bothered by a few rough edges, give version 2.0 a try!
Contributing to Marlin
Click on the Issue Queue and Pull Requests links above at any time to see what we're currently working on.
To submit patches and new features for Marlin 2.0 check out the bugfix-2.0.x branch, add your commits, and submit a Pull Request back to the bugfix-2.0.x branch. Once 2.0.x has been certified for a critical mass of common 32-bit boards, it will become the next major release and will be the basis for all future major and minor releases.
Note that our "bugfix" branches always contain the latest patches and new code. These patches may not be widely tested. As always, when using "nightly" builds of Marlin, proceed with full caution.
Marlin Resources
Marlin User Support
Looking for help? Our GitHub Issue Queue is only for development-related issues, feature requests, and bug reports. But there are several places where you can get help from experienced users:
Credits
Marlin Admins:
Notable contributors:
License
Marlin is published under the GPL license because we believe in open development. The GPL comes with both rights and obligations. Whether you use Marlin firmware as the driver for your open or closed-source product, you must keep Marlin open, and you must provide your compatible Marlin source code to end users upon request. The most straightforward way to comply with the Marlin license is to make a fork of Marlin on Github, perform your modifications, and direct users to your modified fork.
While we can't prevent the use of this code in products (3D printers, CNC, etc.) that are closed source or crippled by a patent, we would prefer that you choose another firmware or, better yet, make your own.
  • Travis Build Status
  • Flattr Scott Lahteine - Flattr Scott Lahteine
  • Flattr Erik van der Zalm - Flattr Erik van der Zalm
About
Optimized firmware for RepRap 3D printers based on the Arduino platform.
www.marlinfw.org/
Resources
Readme
GPL-3.0 license
Code of conduct
Code of conduct
Contributing
Contributing
Activity
Stars
3 stars
Watchers
2 watching
Forks
1 fork
Report repository
Releases
Packages
Contributors
Languages