Cute little bead roller for 3mm balls/beads (I mistyped the file name, it is 3mm not 2mm). It makes 7 at a time.
You need to print 2.
Side note: you may want to lengthen the object? I used it as is, but I may reprint it a little longer so I have more room to roll the balls.
2mm_Bead_Roller.stl | 20.2KB |