Quantity   Component name
28 × 3D printed parts 28 in all! See instructions.
1 × aluminum plate with tapped holes, see instructions.
4 × MGN5 rails 115 mm length, tapped
8 × MGN5 carriages
3 × GT2 belts I will double-check lengths and update, haha
2 × 8 mm 4-flight lead screws 200 mm length, roughly
4 × 8 mm 4-flight lead screw nuts, brass
4 × Bearings, 608 from the skating world
4 × Locking collars, 8 mm just get the split ones, they are expensive but better
2 × Bearings 6803
1 × Carbide cutting insert I'll get the exact model and update this at some point. Should be diamond-shaped and as sharp as possible (and then sharpen it!)
1 × 40x40 mm FR4 blank ordered from a commercial fabricator, get ENIG for soldering friendliness
1 × M2-M2.5-M3-M4 hardware get a cheap stainless assortment online, you'll also need a few longbois
2 × NEMA17 stepper
1 × standard-size servo get a beefy one in a cool anodized case from the RC industry
1 × other things that I forgot, sorry :-/