RapCAD

Plans and prices

From RapCAD's own pricing page, checked 11 Oct 2026. Every plan

What the maker publishes

2D and 3D

Users can work with 2D and 3D objects within the same environment. source

Boolean geometry

It supports Boolean operations on 3D Nef Polyhedrons, including union, intersection, and difference. source

Design approach

It uses a modular scene description language rather than a GUI based CAD workflow. source

Free plan

Yes source

Integrations

Designs are compatible with traditional text based source control management software. source

License

The project is published under the GPLv3 license. source

Linux limitation

The README lists Ubuntu Bionic, Focal, and Groovy as supported distributions. source

Maintenance

The project page says RapCAD is maintained by Giles Bathgate. source

Multithreading

RapCAD is designed to use multi core processors for faster calculations. source

Precision

RapCAD uses arbitrary precision arithmetic powered by the GMP and MPFR libraries, converting to floating point precision at rendering or export. source

Procedural modeling

Its scene description language supports a procedural and imperative approach for defining and automating model creation. source

Purpose

RapCAD is an integrated development environment for creating rapid prototype models for RepRap and RepStrap 3D printing machines. source

Reusable modules

Users can create reusable component modules and distribute them as a design library. source

Security

The project describes its GPLv3 licensed scene description language as avoiding general purpose capabilities such as reading or writing files and network access. source

Source control

Its text based designs are compatible with traditional source control management software. source

Supported platforms

Windows, Ubuntu Linux, macOS source

Supported platforms

Installation instructions are provided for Windows, Ubuntu Linux, and Mac OS X. source