If you had a formal drafting class, you probably learned about making orthographic projections–engineering drawings with multiple views (for example, top, front, and right). Even if you didn’t take ...

Here’s a fun quick hack from [Timo Birnschein] about using the 3D laser engraving (or ‘stamp’ engraving) mode of certain laser cutter toolchains to create a handy countersink shape in a laser-cut and ...