CAMGIM

Same as the source, just some minor changes and additions.
The bottom weight holder can be opened and filled with custom weight. (~500g)

Pictures from printed parts will follow, as well as the assembly.

Parts to be ordered (hopefully I got them all listed)
1 DIN 934 - M8 7x Nut
2 DIN 934 - M4 32x Nut
3 DIN 625 8x22x7 3x Bearing
4 DIN 625 SKF - SKF 624-2Z 4,5x14x5 4x Bearing
5 BS 3673/1 - B022M 2x Retaining ring
6 Threaded bar M8x160mm 1x Grip
7 Threaded bar M8x150mm 1x Weight
8 M4x10 8x Allen screw
9 M4x16 12x Allen screw
10 M4x20 2x Allen screw
11 M4x25 2x Allen screw
12 1/4"-20 UNC x 1/2"