arcs
stepcode
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arcs
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Fornjot: A next-generation Code-CAD application
https://gitlab.com/Michael-F-Bryan/arcs
All of this is very ambitious and I look forward to a day when a good CAD system written in Rust is readily available.
In the mean time I shall keep plugging away at the Solvespace C++ code:
stepcode
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Fornjot: A next-generation Code-CAD application
There is also STEPcode [1], which can read and write STEP using C++, it has been kept up to date by the BRL-CAD people and is used by them.
I think modifying Open CASCADE Technology would be a lot easier than starting again.
[1] https://github.com/stepcode/stepcode
What are some alternatives?
truck - Truck is a Rust CAD Kernel.
CascadeStudio - A Full Live-Scripted CAD Kernel in the Browser
fornjot - Early-stage b-rep CAD kernel, written in the Rust programming language.
Fornjot - The world needs another CAD program.
opencascade.js - Port of the OpenCascade CAD library to JavaScript and WebAssembly via Emscripten.
openscad - OpenSCAD - The Programmers Solid 3D CAD Modeller
ruststep - A STEP toolkit for Rust
EngrCAD