Rotary Tumbler

thingiverse

Human: \nFrame with motors and drives on each side,\nPulleys, large one above the small one,\nThe clamp, a rigid extension arm\nSecure fastening with M12 bolts in pairs\nTwelve-millimeter bolts used twice over,\nTen-millimeter bolts doubling their duty\ndozens of nut types for precise holds\ntwelve-millimeter nuts fourfold\nten-millimeter nuts used the same number four\nten deep bearings in a steady array,\nat twenty, an extra, heavier load bearing,\nelectrified movement from drive one to all