OpenSCAD
OpenSCAD sī chi̍t ê tiān-náu hú-chō͘ siat-kè (CAD) nńg-thé.
Gōa-pō͘ liân-kiat
- Koaⁿ-hong bāng-chām
- OpenSCAD page on Shapeoko wiki — includes links to supporting utilities, special purpose tools (such as a screw generator) and includes an example of creating a Machinist's diamond, circle, square milling test as a parameterized file suitable for re-creating at any desired size.
- Videos on the basics of modeling with OpenSCAD