Look Mummy no Puppets, I do useful things with my 3D printer Now.

6mm hole flat 5,5mm wire/knot hole 4 / 2mm gear_motor_wire_winding_diabolo.stl
stl file = gear_motor_wire_winding_diabolo.stl


You can Pan Zoom Drag Rotate Orbit with your Mouse or Finger your Phone
https://threejs.org/examples/#webgl_loader_gcode & https://threejs.org/examples/#webgl_loader_stl & ViewSTL.com & https://github.com/mrdoob/three.js

Coopers 3D Printer STL Models

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DJimage
Thank You!