Cool Maker Kumi Kreator helpers

thingiverse

My son received a Cool Maker Kumi Kreator for Christmas and within a few hours he had used up all the provided material...\r\nSo I designed an adapter to wind new thread onto the spools and two sizes of clasps. The clasps need to be printed upright for a smoother finish (see photo). <b>A brim is essential.</b>\r\nPETG is preferred over PLA for the clasps. <b>Never use ABS!</b>. I'm concerned that direct skin contact with ABS may not be safe...\r\n\r\nTo secure the bracelets in the clasps, I tie a simple <b>loose</b> knot and then apply white glue to it before pressing it into place inside the clasps. \r\nThe interior of the clasps is tapered. As the glue sets, the knots are locked in and can't be removed. \r\nThe bracelets need to be slightly longer to accommodate the knots. You'll have to experiment with different lengths to determine the correct adjustment.\r\n\r\nI showed my son how to insert the clasps at the beginning of the project, which should make things easier later on. Make sure to insert them just like in the picture (the smoother side first).\r\n\r\nThe winder's shaft is 7mm instead of 6.3mm (¼ inch) to accommodate the head of the screw. I used a 6-32 screw, but a 3mm one would work too. The screw should be glued in place. You can wind the thread in any direction you like, so set your drill to tighten the nut as you go. Just tightening the nut with your fingers will do: it's not a winch; it's just string that needs to be wound onto a spool!