Quantity   Component name
1 × 3d printed bottle cap will publish stl soon
2 × 3d printed propeller blades will publish stl soon
1 × M8 x 30mm bolt with 2 hole2 drilled in it
1 × 608 bearing with seals shields will work too, but will not keep a charge of air
2 × M8 nuts
1 × M4 x 15mm bolt with the threads sanded off at the tip
2 × M4 x 10mm hex socket cap low profile bolt
2 × M4 low profile nut