OpenSCAD

Name: OpenSCAD
Brand: OpenSCAD
Rating: 4.2 (34 reviews)

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The programmer's solid 3D CAD modeller for creating precise 3D objects.

Free, no paid tier

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4.2 (34 across the web)

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Reviews on G2 Capterra

34 reviews tracked

The Bottom Line

Updated Sep 30, 2026

Price: Free, no paid tier. Compare plans

Key facts

Creates solid 3D CAD models using a script-based approach.
Focuses on technical design for machine parts, not artistic modeling.
Supports Constructive Solid Geometry (CSG) and 2D extrusion.

Pros

Provides full control over the modeling process through scripting.
Enables easy modification and parametrically defined designs.
Free and open-source software.
Ideal for precise, technical 3D modeling like machine parts.

Cons

Not suitable for artistic 3D modeling or animation.
Non-interactive modeling process may have a learning curve for some users.

What is OpenSCAD?

OpenSCAD is a free software for creating solid 3D CAD models. Unlike artistic 3D modeling software like Blender, OpenSCAD focuses on the technical aspects of 3D modeling, making it ideal for designing machine parts and other precise objects. It operates as a 3D-compiler, reading a script file that describes the object and then rendering the 3D model from that script. This approach provides designers with full control over the modeling process, allowing for easy modifications and the creation of parametrically defined designs. The software supports two primary modeling techniques: Constructive Solid Geometry (CSG) and the extrusion of 2D outlines. It can import 2D outlines and design parameters from AutoCAD DXF files, and it supports reading and creating 3D models in STL and OFF file formats. OpenSCAD is available across multiple operating systems, including Linux/UNIX, MS Windows, and Mac OS X, and is maintained by Marius Kintel under the General Public License version 2.

Available on: Linux, Windows, macOS

Data compiled by Toolradar Pricing checked Sep 30, 2026 · How we evaluate

Source openscad.org

Ratings Across the Web

4.2 (34 reviews)

OpenSCAD holds an aggregate rating of 4.2 out of 5 from 34 reviews across G2 and Capterra, last checked September 17, 2026.

Ratings aggregated from independent review platforms. Learn more

Key Features

Script-based 3D modeling
Constructive Solid Geometry (CSG)
Extrusion of 2D outlines
Parametric design capabilities
Import DXF files for 2D outlines and parameters
Export/Import STL and OFF 3D model formats
Available for Linux/UNIX, Windows, and Mac OS X

Pricing Plans

Pricing checked Sep 30, 2026. Source: openscad.org, read Sep 30, 2026

OpenSCAD plans and prices, checked September 2026
Plan	Price	Details
OpenSCAD	Free	Creating solid 3D CAD objects Available for Linux/UNIX, MS Windows and Mac OS X

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Is OpenSCAD worth the price?

Great value

OpenSCAD's pricing is exceptionally generous, as it is entirely free.

This makes it an outstanding value for anyone needing precise 3D CAD modeling without any financial commitment. It's best for hobbyists, students, and professionals who prioritize open-source solutions and programmatic design.

Full OpenSCAD pricing: every plan, hidden costs and alternatives

OpenSCAD by the numbers

OpenSCAD compared with 88 3D Design tools on Toolradar, as of Nov 2026
Metric	OpenSCAD	Peer median	Position (1 is best)
Free plan	Yes	66% have one	n/a
Listed as an alternative to	4 tools	2	#23 of 88 (joint)
User rating	4.2/5 (across the web, 34 ratings)	4.4/5	#23 of 37 (joint) tools with 20+ reviews
Compare-page visits, last 30 days	69 visits	37	#14 of 50 tools with 20+ compare-page visits

Visitors most often compare OpenSCAD with FreeCAD (last 30 days, Nov 2026).

Listed as an alternative to: #23 on 2026-10-16 to #23 on 2026-11-02 (rank among 88 tools, 1 is best).

Each position is counted among the tools that have data for that row, as noted under it. All 3D Design data · How we compute this. Advertising and placement fees are not inputs to any position. Visit counts include visits from every source.

Cite this: Toolradar, “OpenSCAD by the numbers”, Nov 2026.

Reviews

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4.2/5

Across 34 verified user reviews on G2, Capterra

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Still deciding?

Most buyers shortlist 2 or 3 tools before committing. Pull a side-by-side comparison or browse the full alternatives shortlist below.

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OpenSCAD FAQ

How does OpenSCAD differ from artistic 3D modeling software?

OpenSCAD focuses on the technical aspects of 3D modeling, making it suitable for designing precise objects like machine parts. Unlike artistic 3D modeling software such as Blender, it is not designed for organic shapes or animation.

Which teams benefit most from using OpenSCAD?

Teams that require precise, technical 3D modeling for machine parts or parametrically defined designs will find OpenSCAD most beneficial. Its script-based approach offers full control over the modeling process, which is ideal for engineering and product development.

How is OpenSCAD priced?

OpenSCAD is free to use, as it is open-source software. There is no paid plan required to access its full functionality for 3D CAD modeling.

Can OpenSCAD import existing design files?

Yes, OpenSCAD can import 2D outlines and design parameters from AutoCAD DXF files. It also supports reading 3D models in STL and OFF file formats.

What kind of modeling techniques does OpenSCAD support?

OpenSCAD supports two main modeling techniques: Constructive Solid Geometry (CSG) and the extrusion of 2D outlines. These methods allow for the creation of complex 3D models through programmatic descriptions.

What are the trade-offs of OpenSCAD's script-based approach?

While the script-based approach provides full control and enables parametrically defined designs, it results in a non-interactive modeling process. This can present a learning curve for users accustomed to graphical or direct manipulation modeling tools.

How does OpenSCAD compare to FreeCAD?

OpenSCAD operates as a 3D-compiler that reads script files to render models, providing a programmatic approach to design. FreeCAD, while also open-source, generally offers a more interactive, GUI-driven modeling experience with a broader range of workbenches for different design tasks.

Source: openscad.org

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