Stackable holder for 150mm/6" sandpaper disk

Modular holder for 150mm/6" sandpaper disk for different grids (40, 60, 80, 120, 180, no grid).In each “3mf” file you can find two versions, one stackable and other notThe numbers can be printed alone and fixed in place with a bit of glued, or it can be printed all together with multi-color printer.The no grid version has no number so you can attach an adesive label.