The file 'Training Armcuff 3D Printer Model' is (STL) file type, size is 7.0KB.
If lasercut or milled from steel, each ring (two halves) weigh exactly 100 grams, wear these during daily tasks for some easy strenght building, add one ring every other day.
Use m4 screw and nut to hold the rings together, flip every other ring so they dont slide apart.
half.STL | 32.1KB |