Designed this to work with Kobalt chrome sockets, ¼ bottom row, 3/8 top row. There is 4 10x60x3mm magnet slots on the bottom, and 6x3mm slots for each socket. Still messing with perfect fitment.
Tried to make it easy for anyone to adjust socket size and tolerance in on shape. Should just have to adjust the “¼ Holes” and “3/8 Holes” sketches and I separated the socket OD and tolerance you want.