Software · head to head
FreeCAD vs OpenSCAD
The short version
- Each has a real cost: FreeCAD no vendor support or professional services available; community-driven support only; OpenSCAD script-based workflow, not interactive design interface
- They diverge on capability: FreeCAD covers Parametric modeling, OpenSCAD covers Script-based modeling.
Where they differ
Only the attributes on which FreeCAD and OpenSCAD actually diverge.
Identical on both: starting price (Free), pricing model (open-source), free tier (Yes), user rating (Not yet rated), category (Unknown).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in FreeCAD
- Parametric modeling
- Part design
- Assembly
- Drafting
- FEM simulation
- Path/CAM
- Architecture
- BIM
Only in OpenSCAD
- Script-based modeling
- CSG operations
- 2D to 3D extrusion
- Parameterization
- STL export
- Preview
- 3D printers
- Slicers
Both cover
- Open source
- Windows support
- MacOS support
- Linux support
What people use each for
The jobs each tool is most often brought in to do.
FreeCAD
- Mechanical engineering designnot OpenSCAD
- Architectural modellingnot OpenSCAD
- Product design and prototypingnot OpenSCAD
- CAM/CNC path generationnot OpenSCAD
OpenSCAD
- Parametric 3D design for manufacturing and 3D printingnot FreeCAD
- Technical design with scripted control over geometrynot FreeCAD
- Procedural model generationnot FreeCAD
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
FreeCAD
- No vendor support or professional services available; community-driven support only
- Requires users to self-host and maintain the software; no cloud version available
OpenSCAD
- Script-based workflow, not interactive design interface
- Limited to constructive solid geometry and 2D extrusion modelling
- Not suitable for artistic 3D modelling or computer animation
- Complex build dependencies (Qt, CGAL, Boost)
Pricing, plan by plan
FreeCAD
FreeNo published plan breakdown. See the FreeCAD review.
OpenSCAD
FreeNo published plan breakdown. See the OpenSCAD review.
Which should you pick?
Choose FreeCAD if
- You need parametric modeling.
- You want to start without paying.
- You work on Windows, macOS, Linux.
- You also want part design.
Choose OpenSCAD if
- You need script-based modeling.
- You want to start without paying.
- You work on Windows, macOS, Linux, WebAssembly.
- You also want csg operations.
Questions people ask
- Is FreeCAD or OpenSCAD better?
- Neither clearly leads. FreeCAD starts at Free and OpenSCAD at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, FreeCAD or OpenSCAD?
- FreeCAD starts at Free and OpenSCAD at Free.
- Does FreeCAD or OpenSCAD run on more platforms?
- FreeCAD runs on Windows, macOS, Linux. OpenSCAD runs on Windows, macOS, Linux, WebAssembly.
- Can I use FreeCAD for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is FreeCAD best used for?
- FreeCAD is most often used for mechanical engineering design, architectural modelling, product design and prototyping, cam/cnc path generation. Of those, mechanical engineering design and architectural modelling are not what OpenSCAD is typically brought in for.
- What can FreeCAD do that OpenSCAD cannot?
- FreeCAD covers Parametric modeling, Part design, Assembly, Drafting. OpenSCAD covers Script-based modeling, CSG operations, 2D to 3D extrusion, Parameterization. Both handle Open source, Windows support, MacOS support, Linux support.