Writes OpenSCAD code and compiles parametric models to STL, 3MF, DXF, SVG, and PNG outputs.
npx skills add https://github.com/FradSer/dotclaude --skill use-openscad
Please help me install this Agent Skill. Skill: use-openscad Source: https://github.com/FradSer/dotclaude/tree/main/hardware/skills/use-openscad Command: npx skills add https://github.com/FradSer/dotclaude --skill use-openscad
Designing 3D-printable parts or laser-cut plates normally requires manual CAD work; this Skill lets you describe a part in natural language and get fabrication-ready files by generating OpenSCAD code and driving the openscad CLI compiler.
Ask the assistant to design a 3D-printable parametric box with OpenSCAD and export it as a binary STL file.
High-intent search queries and answers about installing and using this skill.
Run openscad with -o out.stl and pass --export-format binstl for binary STL output. Mesh exports always perform full CGAL geometry evaluation, so --render is not needed; scan stderr afterward for manifold warnings.
Declare tunable variables at the top level of the .scad file, then override them with repeatable -D var=val flags. String values need shell quoting like -D 'mode="parts"', while numeric values need no quotes.
The macOS binary is not on PATH; it lives at /Applications/OpenSCAD.app/Contents/MacOS/OpenSCAD. On Linux try openscad or openscad-nightly, on Windows invoke openscad.com, and on servers use a Docker image.
No, --render only affects PNG image export. Mesh exports to STL, 3MF, AMF, DXF, and SVG always get full CGAL geometry evaluation, so a plain openscad -o out.stl model.scad produces a complete mesh.
OpenSCAD prints manifold, self-intersection, and degenerate-geometry problems to stderr even when the exit code is zero. Capture output with 2>&1 and grep for these warnings, or run with --hardwarnings so any warning causes a non-zero exit.
Yes, modern OpenSCAD (2024+) renders PNG headlessly on Linux via EGL without Xvfb; older versions need xvfb-run. For remote servers, the recommended approach is building the openscad-cli Docker image and running it as a container.
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