Quantity   Component name
1 × 3D Printing Filament (PLA+)
1 × 608RD Roller bearings
1 × Bolts and nuts in different sizes
1 × Gas springs (about 100N)
1 × Lattice resistance bands (thk. 0.8mm)
1 × Nylon resistance bands
1 × Neodymium magnets (about 300N)
1 × 6mm steel spheres (custom ball bearings)