The file 'Chaos Pendulum 3D Printer Model' is (stl) file type, size is 138.8KB.
You'll need 3 or 4 bearings 625z (4th for counter weight version).
Remove the grease and replace it with a drop of oil instead for less friction.
The short arm can't be longer because otherwise it would hit your hand
1x_Arm_short.stl | 123.7KB | |
2x_Arm_long.stl | 99.9KB | |
2x_Arm_long_counter_weight.stl | 136.9KB | |
2x_Arm_long_extended_counter_weight.stl | 132.3KB | |
2x_Disk.stl | 82.1KB |