self back massager

Back massager, simple to print and assemble.

The whole is assembled without screws or bolts and without gluing.
Additional items:
A nice looking rope. I use one with a diameter of 11 mm, I just had one available.
Two small nails, one for each handle to lock the rope from sliding out.

The material I used - PLA

chain plates - 100% - 0,3 mm
cork - 20% - 1 wall - 2 base and top layer - 0,3 mm
cork short - 20% - 1 wall - 2 base and top layer - 0,3 mm
roller - 10% - 2 walls - 0,2mm
inner ring - 10% - 2 walls - 0,2 mm
holder 2 - 10% - 2 walls - 0,2 mm - I printed it vertically without support
holder 1 - 10% - 2 walls - 0,2 mm - I printed it vertically without support
roll.stl - 10% - 2 walls - 0,3 mm - I printed it horizontally with support