Quantity   Component name
12 × M3 X 10 mm button head hex screw
6 × M3 X 20 mm button head hex screw
14 × M3 nut
3 × 5 mm OD X 30 mm dowel rod
1 × Nema 17 stepper
3 × 3/4" (19 mm) wide measuring tape
6 × 1.2x17 mm O-ring
1 × 1 m length of nylon string
1 × 3d printed part set