FreeCAD is a powerful parametric 3D CAD modeler and drawing tool designed for mechanical engineering and product design. As a 100% open-source solution, it offers advanced features for creating precise 3D models and 2D drawings without licensing costs.

The software supports a wide range of formats including DXF, STEP, IGES, and SVG, and integrates Python scripting for automation and customization. With its modular architecture, FreeCAD runs seamlessly on Windows, macOS, and Linux, making it a versatile choice for engineers, architects, and hobbyists.

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Expert Tips

Enabling GPU Acceleration for 3D View Performance

Go to Edit > Preferences.
Navigate to the Display section and select the 3D View tab.
Under Rendering, ensure the OpenGL driver is selected.
Adjust the Anti-aliasing and Complexity settings to balance visual quality and frame rate, especially when working with complex Boundary Representation (BRep) objects.

Why: Optimizing the OpenGL settings is crucial for maintaining a smooth frame rate and responsive interaction when manipulating large, complex 3D models in the viewport, which is a common challenge in CAD software based on kernels like Open CASCADE Technology.

Exporting for 3D Printing and CNC Machining

Select the solid body or Assembly Workbench component you wish to export in the Tree View.
Go to File > Export.
Choose the Stereolithography (.stl) format for 3D printing or the Initial Graphics Exchange Specification (.iges) or Standard for the Exchange of Product model data (.step) formats for CNC.
For STL, adjust the Deviation and Angular Deviation parameters in the export dialog to control the mesh fidelity.

Why: Using the correct export format (.STL for meshing,.STEP/.IGES for precise NURBS data) and tuning the mesh parameters is essential for ensuring the physical model accurately reflects the digital design, preventing errors in the 3D printing or CAM Workbench process.

Setting up a new parametric design

Create a new document via File > New.
Sketch a 2D profile using the Sketcher workbench.
Extrude the sketch to create a 3D solid using the Part Design workbench.
Apply constraints and dimensions to fully define your sketch.

Why: This ensures your model is fully parametric and easy to modify later, saving time and reducing errors in the design process.

Download FreeCAD

File size: 207.5 MB

OS support: Windows, macOS, Linux, GitHub

Key Features

Parametric Modeling: Create 3D models with a history-based approach, allowing you to modify designs by changing parameters early in the model tree.
Multi-format Support: Import and export over 50 file formats including STEP, IGES, DXF, SVG, STL, and OBJ for seamless collaboration with other CAD and engineering tools.
2D Drafting and Drawing: Produce detailed 2D drawings from 3D models using the TechDraw workbench, complete with dimensions, annotations, and template support.
Python Scripting and Macros: Automate tasks, create custom tools, and extend functionality through Python scripting, with access to the entire FreeCAD API and macro recording capabilities.
Mesh and FEM Tools: Work with mesh data for 3D printing and perform finite element analysis (FEM) simulations directly within the FreeCAD environment.
Cross-platform Availability: Enjoy a consistent experience across Windows, macOS, and Linux, with native packages and portable options available for all major operating systems.

System Requirements

Minimum

OS: Windows 8/10/11 (64-bit), macOS 10.13 High Sierra, or a Linux distribution

New in This Version

Over 30 bugfixes and small improvements for stability.
Fixed a crash in the Assembly Workbench when dragging a part with the fixed joint.
Improved compatibility with third-party frameworks, including Open CASCADE 7.9 and Qt6.
Resolved a dimension alignment issue in the TechDraw Workbench.
Fixed BIM issues, including Arch_Level and Arch_Wall disappearing during conversion to Strict IFC mode.
The CAM Workbench now writes post files using UTF-8 encoding.

For complete changelog, visit the official release notes.

Tech Specs

Software Name	FreeCAD
Version	1.1.2
License	Open Source
File Size	207.5 MB
OS Support	Windows, macOS, Linux, GitHub
Language	Multiple languages including English, Spanish, French, German, Italian, Portuguese, Russian, Chinese, Japanese, Korean
Developer	FreeCAD Community
Homepage	https://www.freecad.org/
Changelogurl	https://github.com/FreeCAD/FreeCAD/releases/tag/1.1.2
Last Updated	July 24, 2026

Getting Started

Show Installation Steps

Installation Steps

Click the download button above to get the installer for your operating system
Locate the downloaded file and double-click to run the installer
Follow the on-screen installation wizard to complete setup

Compatibility: Compatible with Windows 7 SP1 and later, macOS 10.12 and later, and Linux 64-bit distributions.

Problem Solving

Show Common Issues

Issue: Installation fails → Solution: Run the installer as administrator
Issue: Missing dependencies on Linux → Solution: Install the required libraries via your distribution’s package manager (e.g., libxcb1, libegl1-mesa)

Common Questions

Is FreeCAD free to use?

Yes, freecad is 100% open source and free for personal, educational, and commercial use.

What operating systems does FreeCAD support?

freecad runs on Windows (7 SP1 and later), macOS (10.12 and later), and Linux (64-bit distributions).

Can I use FreeCAD for professional engineering projects?

Absolutely. freecad is used in mechanical engineering, product design, architecture, and other engineering fields for creating precise 3D models and technical drawings.

Compare Alternatives

Feature	FreeCAD	Blender	Autodesk Fusion 360
Price	✅ Free	✅ Free	✅ Paid (Free for hobbyists/students)
Platform	Windows, macOS, Linux	Windows, macOS, Linux	Windows, macOS (Cloud-based)
Open Source	✅ true	✅ true	❌ false
Geometry Kernel	Open CASCADE Technology (OCCT)	Custom Mesh-based	ACIS/T-Splines
Primary Focus	Parametric Mechanical Engineering, BIM, CAE	3D Animation, VFX, Sculpting, Rendering	Integrated CAD/CAM/CAE, Cloud Collaboration
Weakness vs Main	N/A (this is the main software)	Lacks native parametric/BRep modeling for precise engineering	Proprietary licensing and cloud-dependency

Andy Zain Verified

Content Writer

8+ Years of experience

Andy Zain is a software content writer (8+ years, writing since 2015) who publishes download and install guides across major platforms and productivity categories. His goal is to help readers download the right version and install it safely using clear, up-to-date, source-backed instructions.