LuaCAD Brings Parametric 3D Modeling to Lua as an OpenSCAD Alternative

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A developer has released LuaCAD, an open-source parametric CAD tool that lets users script 3D solid models in Lua instead of OpenSCAD's custom language. The project supports constructive solid geometry operations via operator overloading and ships with both a CLI and a desktop app featuring a text editor and 3D preview. Built in Rust, it leverages mlua for Lua execution, OpenCSG for rendering, and Manifold for generating triangle meshes. The creator cited frustrations with OpenSCAD's poorly designed scripting language as motivation, aiming to pair familiar CAD functionality with a more robust programming language. LuaCAD also includes native Rust implementations of BOSL2 functions, targeting improved performance over the original OpenSCAD toolchain.

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