NASSCAD 4.7.0 — MEDUSA is a browser-based parametric 3D CAD application developed by Nasser / NassLab in France. Models are processed locally, with no account required. Downloaded components can also run offline.
Modeling tools include 2D sketching, 18 watertight primitives, parametric generators for gears, screws, nuts and pipes, B-Rep fillets and chamfers, measurements, and a non-destructive boolean construction tree. NassScript provides an integrated JavaScript console for procedural modeling, automation and animation.
Union, subtraction and intersection run in the browser using Manifold WebAssembly. The optional MEDUSA companion engine runs locally on your computer and uses native Manifold C++ with multi-core processing for larger operations and STEP assemblies. Exact B-Rep STEP export requires MEDUSA.
Import formats include STEP AP203/AP214/AP242, IFC2X3/IFC4/IFC4X3, STL, OBJ, 3MF, GLB and PLY. Export options include STEP, IFC4, STL, OBJ, 3MF, GLB, PLY, and SVG/DXF section cuts. Imported STEP assemblies can retain names, positions, colors and manufacturing information.
NASSCAD supports model preparation for 3D printing, with configurable export quality and build-volume guides for 28 printers.
The source is available under CC BY-NC 4.0, with an additional free education permission for schools, universities, teachers, students, FabLabs, makerspaces, associations and libraries. Personal, non-commercial and educational use is free; commercial use requires an agreement with NassLab.
Website: https://www.nasscad.com/
Source and documentation: https://github.com/Nx-Nass/NassCAD
Downloads: https://github.com/Nx-Nass/NassCAD/releases
License: https://github.com/Nx-Nass/NassCAD/blob/main/LICENSE
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Paul added NASSCAD as alternative to SketchUp, OpenSCAD, Autodesk AutoCAD, SOLIDWORKS and 47 more
Nasser Z. 
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