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Your own 3D Parametric Modeler

Website • Documentation • Forum • Bug tracker • Git repository • Blog

ReleaseCrowdin

Overview

  • Freedom to build what you want FreeCAD is an open-source parametric 3D modeler made primarily to design real-life objects of any size. Parametric modeling allows you to easily modify your design by going back into your model history to change its parameters.

  • Create 3D from 2D and back FreeCAD lets you sketch geometry-constrained 2D shapes and use them as a base to build other objects. It contains many components to adjust dimensions or extract design details from 3D models to create high quality production-ready drawings.

  • Designed for your needs FreeCAD is designed to fit a wide range of uses including product design, mechanical engineering and architecture, whether you are a hobbyist, programmer, experienced CAD user, student or teacher.

  • Cross platform FreeCAD runs on Windows, macOS and Linux operating systems.

  • Underlying technology

    • OpenCASCADE A powerful geometry kernel, the most important component of FreeCAD
    • Coin3D library Open Inventor-compliant 3D scene representation model
    • Python FreeCAD offers a broad Python API
    • Qt Graphical user interface built with Qt

Installing

Precompiled packages for stable releases are available for Windows, macOS and Linux on the latest releases page.

On most Linux distributions, FreeCAD is also directly installable from the software center application.

For weekly development releases visit the releases page.

Other options are described on the wiki Download page.

Compiling

See the Developers Handbook – Getting Started for build instructions.

Reporting Issues

To report an issue please:

  • Consider posting to the Forum, Discord channel, or Reddit to verify the issue;
  • Search the existing issues for potential duplicates;
  • Use the most updated stable or development versions of FreeCAD;
  • Post version info from Help > About FreeCAD > Copy to clipboard;
  • Restart FreeCAD in safe mode Help > Restart in safe mode and try to reproduce the issue again. If the issue is resolved it can be fixed by deleting the FreeCAD config files.
  • Start recording a macro Macro > Macro recording... and repeat all steps. Stop recording after the issue occurs and upload the saved macro or copy the macro code in the issue;
  • Post a Step-By-Step explanation on how to recreate the issue;
  • Upload an example file (FCStd as ZIP file) to demonstrate the problem;

For more details see:

Note

The FPA offers developers the opportunity to apply for a grant to work on projects of their choosing. Check jobs and funding to know more.

Usage & Getting Help

The FreeCAD wiki contains documentation on general FreeCAD usage, Python scripting, and development. View these pages for more information:

The FreeCAD forum is a great place to find help and solve specific problems when learning to use FreeCAD.

This project receives generous infrastructure support from and KiCad Services Corp.

About

Official source code of FreeCAD, a free and opensource multiplatform 3D parametric modeler.

www.freecad.org

Resources

Readme
License

Code of conduct

Code of conduct

Contributing

Contributing

Security policy

Security policy
Activity

Stars

0 stars

Watchers

0 watching

Forks

0 forks
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
BranchesTags
Repository files navigation
Your own 3D Parametric Modeler
Website •
Documentation •
Forum •
Bug tracker •
Git repository •
Blog
ReleaseCrowdin
Overview
  • Freedom to build what you want FreeCAD is an open-source parametric 3D
modeler made primarily to design real-life objects of any size.
Parametric modeling allows you to easily modify your design by going back into
your model history to change its parameters.
  • Create 3D from 2D and back FreeCAD lets you sketch geometry-constrained
2D shapes and use them as a base to build other objects.
It contains many components to adjust dimensions or extract design details from
3D models to create high quality production-ready drawings.
  • Designed for your needs FreeCAD is designed to fit a wide range of uses
including product design, mechanical engineering and architecture,
whether you are a hobbyist, programmer, experienced CAD user, student or teacher.
  • Cross platform FreeCAD runs on Windows, macOS and Linux operating systems.
  • Underlying technology
    • OpenCASCADE A powerful geometry kernel, the most important component of FreeCAD
    • Coin3D library Open Inventor-compliant 3D scene representation model
    • Python FreeCAD offers a broad Python API
    • Qt Graphical user interface built with Qt
Installing
Precompiled packages for stable releases are available for Windows, macOS and Linux on the
latest releases page.
On most Linux distributions, FreeCAD is also directly installable from the
software center application.
For weekly development releases visit the releases page.
Other options are described on the wiki Download page.
Compiling
See the Developers Handbook – Getting Started
for build instructions.
Reporting Issues
To report an issue please:
  • Consider posting to the Forum, Discord channel, or Reddit to verify the issue;
  • Search the existing issues for potential duplicates;
  • Use the most updated stable or development versions of FreeCAD;
  • Post version info from Help > About FreeCAD > Copy to clipboard;
  • Restart FreeCAD in safe mode Help > Restart in safe mode and try to reproduce the issue again. If the issue is resolved it can be fixed by deleting the FreeCAD config files.
  • Start recording a macro Macro > Macro recording... and repeat all steps. Stop recording after the issue occurs and upload the saved macro or copy the macro code in the issue;
  • Post a Step-By-Step explanation on how to recreate the issue;
  • Upload an example file (FCStd as ZIP file) to demonstrate the problem;
For more details see:
Note
The FPA offers developers the opportunity
to apply for a grant to work on projects of their choosing. Check
jobs and funding to know more.
Usage & Getting Help
The FreeCAD wiki contains documentation on
general FreeCAD usage, Python scripting, and development.
View these pages for more information:
The FreeCAD forum is a great place
to find help and solve specific problems when learning to use FreeCAD.
This project receives generous infrastructure support from
 and KiCad Services Corp.
About
Official source code of FreeCAD, a free and opensource multiplatform 3D parametric modeler.
www.freecad.org
Resources
Readme
License
Code of conduct
Code of conduct
Contributing
Contributing
Security policy
Security policy
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
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
Repository files navigation
Your own 3D Parametric Modeler
Website •
Documentation •
Forum •
Bug tracker •
Git repository •
Blog
ReleaseCrowdin
Overview
  • Freedom to build what you want FreeCAD is an open-source parametric 3D
modeler made primarily to design real-life objects of any size.
Parametric modeling allows you to easily modify your design by going back into
your model history to change its parameters.
  • Create 3D from 2D and back FreeCAD lets you sketch geometry-constrained
2D shapes and use them as a base to build other objects.
It contains many components to adjust dimensions or extract design details from
3D models to create high quality production-ready drawings.
  • Designed for your needs FreeCAD is designed to fit a wide range of uses
including product design, mechanical engineering and architecture,
whether you are a hobbyist, programmer, experienced CAD user, student or teacher.
  • Cross platform FreeCAD runs on Windows, macOS and Linux operating systems.
  • Underlying technology
    • OpenCASCADE A powerful geometry kernel, the most important component of FreeCAD
    • Coin3D library Open Inventor-compliant 3D scene representation model
    • Python FreeCAD offers a broad Python API
    • Qt Graphical user interface built with Qt
Installing
Precompiled packages for stable releases are available for Windows, macOS and Linux on the
latest releases page.
On most Linux distributions, FreeCAD is also directly installable from the
software center application.
For weekly development releases visit the releases page.
Other options are described on the wiki Download page.
Compiling
See the Developers Handbook – Getting Started
for build instructions.
Reporting Issues
To report an issue please:
  • Consider posting to the Forum, Discord channel, or Reddit to verify the issue;
  • Search the existing issues for potential duplicates;
  • Use the most updated stable or development versions of FreeCAD;
  • Post version info from Help > About FreeCAD > Copy to clipboard;
  • Restart FreeCAD in safe mode Help > Restart in safe mode and try to reproduce the issue again. If the issue is resolved it can be fixed by deleting the FreeCAD config files.
  • Start recording a macro Macro > Macro recording... and repeat all steps. Stop recording after the issue occurs and upload the saved macro or copy the macro code in the issue;
  • Post a Step-By-Step explanation on how to recreate the issue;
  • Upload an example file (FCStd as ZIP file) to demonstrate the problem;
For more details see:
Note
The FPA offers developers the opportunity
to apply for a grant to work on projects of their choosing. Check
jobs and funding to know more.
Usage & Getting Help
The FreeCAD wiki contains documentation on
general FreeCAD usage, Python scripting, and development.
View these pages for more information:
The FreeCAD forum is a great place
to find help and solve specific problems when learning to use FreeCAD.
This project receives generous infrastructure support from
 and KiCad Services Corp.
About
Official source code of FreeCAD, a free and opensource multiplatform 3D parametric modeler.
www.freecad.org
Resources
Readme
License
Code of conduct
Code of conduct
Contributing
Contributing
Security policy
Security policy
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
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
Repository files navigation
Your own 3D Parametric Modeler
Website •
Documentation •
Forum •
Bug tracker •
Git repository •
Blog
ReleaseCrowdin
Overview
  • Freedom to build what you want FreeCAD is an open-source parametric 3D
modeler made primarily to design real-life objects of any size.
Parametric modeling allows you to easily modify your design by going back into
your model history to change its parameters.
  • Create 3D from 2D and back FreeCAD lets you sketch geometry-constrained
2D shapes and use them as a base to build other objects.
It contains many components to adjust dimensions or extract design details from
3D models to create high quality production-ready drawings.
  • Designed for your needs FreeCAD is designed to fit a wide range of uses
including product design, mechanical engineering and architecture,
whether you are a hobbyist, programmer, experienced CAD user, student or teacher.
  • Cross platform FreeCAD runs on Windows, macOS and Linux operating systems.
  • Underlying technology
    • OpenCASCADE A powerful geometry kernel, the most important component of FreeCAD
    • Coin3D library Open Inventor-compliant 3D scene representation model
    • Python FreeCAD offers a broad Python API
    • Qt Graphical user interface built with Qt
Installing
Precompiled packages for stable releases are available for Windows, macOS and Linux on the
latest releases page.
On most Linux distributions, FreeCAD is also directly installable from the
software center application.
For weekly development releases visit the releases page.
Other options are described on the wiki Download page.
Compiling
See the Developers Handbook – Getting Started
for build instructions.
Reporting Issues
To report an issue please:
  • Consider posting to the Forum, Discord channel, or Reddit to verify the issue;
  • Search the existing issues for potential duplicates;
  • Use the most updated stable or development versions of FreeCAD;
  • Post version info from Help > About FreeCAD > Copy to clipboard;
  • Restart FreeCAD in safe mode Help > Restart in safe mode and try to reproduce the issue again. If the issue is resolved it can be fixed by deleting the FreeCAD config files.
  • Start recording a macro Macro > Macro recording... and repeat all steps. Stop recording after the issue occurs and upload the saved macro or copy the macro code in the issue;
  • Post a Step-By-Step explanation on how to recreate the issue;
  • Upload an example file (FCStd as ZIP file) to demonstrate the problem;
For more details see:
Note
The FPA offers developers the opportunity
to apply for a grant to work on projects of their choosing. Check
jobs and funding to know more.
Usage & Getting Help
The FreeCAD wiki contains documentation on
general FreeCAD usage, Python scripting, and development.
View these pages for more information:
The FreeCAD forum is a great place
to find help and solve specific problems when learning to use FreeCAD.
This project receives generous infrastructure support from
 and KiCad Services Corp.
About
Official source code of FreeCAD, a free and opensource multiplatform 3D parametric modeler.
www.freecad.org
Resources
Readme
License
Code of conduct
Code of conduct
Contributing
Contributing
Security policy
Security policy
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
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
Your own 3D Parametric Modeler
Website •
Documentation •
Forum •
Bug tracker •
Git repository •
Blog
ReleaseCrowdin
Overview
  • Freedom to build what you want FreeCAD is an open-source parametric 3D
modeler made primarily to design real-life objects of any size.
Parametric modeling allows you to easily modify your design by going back into
your model history to change its parameters.
  • Create 3D from 2D and back FreeCAD lets you sketch geometry-constrained
2D shapes and use them as a base to build other objects.
It contains many components to adjust dimensions or extract design details from
3D models to create high quality production-ready drawings.
  • Designed for your needs FreeCAD is designed to fit a wide range of uses
including product design, mechanical engineering and architecture,
whether you are a hobbyist, programmer, experienced CAD user, student or teacher.
  • Cross platform FreeCAD runs on Windows, macOS and Linux operating systems.
  • Underlying technology
    • OpenCASCADE A powerful geometry kernel, the most important component of FreeCAD
    • Coin3D library Open Inventor-compliant 3D scene representation model
    • Python FreeCAD offers a broad Python API
    • Qt Graphical user interface built with Qt
Installing
Precompiled packages for stable releases are available for Windows, macOS and Linux on the
latest releases page.
On most Linux distributions, FreeCAD is also directly installable from the
software center application.
For weekly development releases visit the releases page.
Other options are described on the wiki Download page.
Compiling
See the Developers Handbook – Getting Started
for build instructions.
Reporting Issues
To report an issue please:
  • Consider posting to the Forum, Discord channel, or Reddit to verify the issue;
  • Search the existing issues for potential duplicates;
  • Use the most updated stable or development versions of FreeCAD;
  • Post version info from Help > About FreeCAD > Copy to clipboard;
  • Restart FreeCAD in safe mode Help > Restart in safe mode and try to reproduce the issue again. If the issue is resolved it can be fixed by deleting the FreeCAD config files.
  • Start recording a macro Macro > Macro recording... and repeat all steps. Stop recording after the issue occurs and upload the saved macro or copy the macro code in the issue;
  • Post a Step-By-Step explanation on how to recreate the issue;
  • Upload an example file (FCStd as ZIP file) to demonstrate the problem;
For more details see:
Note
The FPA offers developers the opportunity
to apply for a grant to work on projects of their choosing. Check
jobs and funding to know more.
Usage & Getting Help
The FreeCAD wiki contains documentation on
general FreeCAD usage, Python scripting, and development.
View these pages for more information:
The FreeCAD forum is a great place
to find help and solve specific problems when learning to use FreeCAD.
This project receives generous infrastructure support from
 and KiCad Services Corp.
About
Official source code of FreeCAD, a free and opensource multiplatform 3D parametric modeler.
www.freecad.org
Resources
Readme
License
Code of conduct
Code of conduct
Contributing
Contributing
Security policy
Security policy
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
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('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Your own 3D Parametric Modeler
Website •
Documentation •
Forum •
Bug tracker •
Git repository •
Blog
ReleaseCrowdin
Overview
  • Freedom to build what you want FreeCAD is an open-source parametric 3D
modeler made primarily to design real-life objects of any size.
Parametric modeling allows you to easily modify your design by going back into
your model history to change its parameters.
  • Create 3D from 2D and back FreeCAD lets you sketch geometry-constrained
2D shapes and use them as a base to build other objects.
It contains many components to adjust dimensions or extract design details from
3D models to create high quality production-ready drawings.
  • Designed for your needs FreeCAD is designed to fit a wide range of uses
including product design, mechanical engineering and architecture,
whether you are a hobbyist, programmer, experienced CAD user, student or teacher.
  • Cross platform FreeCAD runs on Windows, macOS and Linux operating systems.
  • Underlying technology
    • OpenCASCADE A powerful geometry kernel, the most important component of FreeCAD
    • Coin3D library Open Inventor-compliant 3D scene representation model
    • Python FreeCAD offers a broad Python API
    • Qt Graphical user interface built with Qt
Installing
Precompiled packages for stable releases are available for Windows, macOS and Linux on the
latest releases page.
On most Linux distributions, FreeCAD is also directly installable from the
software center application.
For weekly development releases visit the releases page.
Other options are described on the wiki Download page.
Compiling
See the Developers Handbook – Getting Started
for build instructions.
Reporting Issues
To report an issue please:
  • Consider posting to the Forum, Discord channel, or Reddit to verify the issue;
  • Search the existing issues for potential duplicates;
  • Use the most updated stable or development versions of FreeCAD;
  • Post version info from Help > About FreeCAD > Copy to clipboard;
  • Restart FreeCAD in safe mode Help > Restart in safe mode and try to reproduce the issue again. If the issue is resolved it can be fixed by deleting the FreeCAD config files.
  • Start recording a macro Macro > Macro recording... and repeat all steps. Stop recording after the issue occurs and upload the saved macro or copy the macro code in the issue;
  • Post a Step-By-Step explanation on how to recreate the issue;
  • Upload an example file (FCStd as ZIP file) to demonstrate the problem;
For more details see:
Note
The FPA offers developers the opportunity
to apply for a grant to work on projects of their choosing. Check
jobs and funding to know more.
Usage & Getting Help
The FreeCAD wiki contains documentation on
general FreeCAD usage, Python scripting, and development.
View these pages for more information:
The FreeCAD forum is a great place
to find help and solve specific problems when learning to use FreeCAD.
This project receives generous infrastructure support from
 and KiCad Services Corp.
About
Official source code of FreeCAD, a free and opensource multiplatform 3D parametric modeler.
www.freecad.org
Resources
Readme
License
Code of conduct
Code of conduct
Contributing
Contributing
Security policy
Security policy
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, '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
BranchesTags
Repository files navigation
Your own 3D Parametric Modeler
Website •
Documentation •
Forum •
Bug tracker •
Git repository •
Blog
ReleaseCrowdin
Overview
  • Freedom to build what you want FreeCAD is an open-source parametric 3D
modeler made primarily to design real-life objects of any size.
Parametric modeling allows you to easily modify your design by going back into
your model history to change its parameters.
  • Create 3D from 2D and back FreeCAD lets you sketch geometry-constrained
2D shapes and use them as a base to build other objects.
It contains many components to adjust dimensions or extract design details from
3D models to create high quality production-ready drawings.
  • Designed for your needs FreeCAD is designed to fit a wide range of uses
including product design, mechanical engineering and architecture,
whether you are a hobbyist, programmer, experienced CAD user, student or teacher.
  • Cross platform FreeCAD runs on Windows, macOS and Linux operating systems.
  • Underlying technology
    • OpenCASCADE A powerful geometry kernel, the most important component of FreeCAD
    • Coin3D library Open Inventor-compliant 3D scene representation model
    • Python FreeCAD offers a broad Python API
    • Qt Graphical user interface built with Qt
Installing
Precompiled packages for stable releases are available for Windows, macOS and Linux on the
latest releases page.
On most Linux distributions, FreeCAD is also directly installable from the
software center application.
For weekly development releases visit the releases page.
Other options are described on the wiki Download page.
Compiling
See the Developers Handbook – Getting Started
for build instructions.
Reporting Issues
To report an issue please:
  • Consider posting to the Forum, Discord channel, or Reddit to verify the issue;
  • Search the existing issues for potential duplicates;
  • Use the most updated stable or development versions of FreeCAD;
  • Post version info from Help > About FreeCAD > Copy to clipboard;
  • Restart FreeCAD in safe mode Help > Restart in safe mode and try to reproduce the issue again. If the issue is resolved it can be fixed by deleting the FreeCAD config files.
  • Start recording a macro Macro > Macro recording... and repeat all steps. Stop recording after the issue occurs and upload the saved macro or copy the macro code in the issue;
  • Post a Step-By-Step explanation on how to recreate the issue;
  • Upload an example file (FCStd as ZIP file) to demonstrate the problem;
For more details see:
Note
The FPA offers developers the opportunity
to apply for a grant to work on projects of their choosing. Check
jobs and funding to know more.
Usage & Getting Help
The FreeCAD wiki contains documentation on
general FreeCAD usage, Python scripting, and development.
View these pages for more information:
The FreeCAD forum is a great place
to find help and solve specific problems when learning to use FreeCAD.
This project receives generous infrastructure support from
 and KiCad Services Corp.
About
Official source code of FreeCAD, a free and opensource multiplatform 3D parametric modeler.
www.freecad.org
Resources
Readme
License
Code of conduct
Code of conduct
Contributing
Contributing
Security policy
Security policy
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
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, '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); }
})();
})();

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Your own 3D Parametric Modeler
Website •
Documentation •
Forum •
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Git repository •
Blog
ReleaseCrowdin
Overview
  • Freedom to build what you want FreeCAD is an open-source parametric 3D
modeler made primarily to design real-life objects of any size.
Parametric modeling allows you to easily modify your design by going back into
your model history to change its parameters.
  • Create 3D from 2D and back FreeCAD lets you sketch geometry-constrained
2D shapes and use them as a base to build other objects.
It contains many components to adjust dimensions or extract design details from
3D models to create high quality production-ready drawings.
  • Designed for your needs FreeCAD is designed to fit a wide range of uses
including product design, mechanical engineering and architecture,
whether you are a hobbyist, programmer, experienced CAD user, student or teacher.
  • Cross platform FreeCAD runs on Windows, macOS and Linux operating systems.
  • Underlying technology
    • OpenCASCADE A powerful geometry kernel, the most important component of FreeCAD
    • Coin3D library Open Inventor-compliant 3D scene representation model
    • Python FreeCAD offers a broad Python API
    • Qt Graphical user interface built with Qt
Installing
Precompiled packages for stable releases are available for Windows, macOS and Linux on the
latest releases page.
On most Linux distributions, FreeCAD is also directly installable from the
software center application.
For weekly development releases visit the releases page.
Other options are described on the wiki Download page.
Compiling
See the Developers Handbook – Getting Started
for build instructions.
Reporting Issues
To report an issue please:
  • Consider posting to the Forum, Discord channel, or Reddit to verify the issue;
  • Search the existing issues for potential duplicates;
  • Use the most updated stable or development versions of FreeCAD;
  • Post version info from Help > About FreeCAD > Copy to clipboard;
  • Restart FreeCAD in safe mode Help > Restart in safe mode and try to reproduce the issue again. If the issue is resolved it can be fixed by deleting the FreeCAD config files.
  • Start recording a macro Macro > Macro recording... and repeat all steps. Stop recording after the issue occurs and upload the saved macro or copy the macro code in the issue;
  • Post a Step-By-Step explanation on how to recreate the issue;
  • Upload an example file (FCStd as ZIP file) to demonstrate the problem;
For more details see:
Note
The FPA offers developers the opportunity
to apply for a grant to work on projects of their choosing. Check
jobs and funding to know more.
Usage & Getting Help
The FreeCAD wiki contains documentation on
general FreeCAD usage, Python scripting, and development.
View these pages for more information:
The FreeCAD forum is a great place
to find help and solve specific problems when learning to use FreeCAD.
This project receives generous infrastructure support from
 and KiCad Services Corp.
About
Official source code of FreeCAD, a free and opensource multiplatform 3D parametric modeler.
www.freecad.org
Resources
Readme
License
Code of conduct
Code of conduct
Contributing
Contributing
Security policy
Security policy
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages