Rotating solder bit holder

MembershipClick here to join our subscription program today! Includes commercial resale license for all of our models. I needed a bit holder to hold all my soldering iron tips, but didn't want to spend near $30 to buy one, so made this one. The holder will fit bits up to 7.25mm diameter. This build requires a 608 bearing. Don't cheap out on this, like I did. The last bearings I bought were stiff and don't spin freely. Get a good bearing that spins really well, from Maker Lab or use one of the print-in-place models you can find on MakerWorld. Everything is press fit and requires no supports. I designed voids in the print and a pause in the gcode, so that you can fill the spaces with something heavy. I used steel BBs. Shotgun shot would probably work even better. But this isn't strictly necessary, especially if you have good bearings. If you don't want to add some heft to your bit holder, just ignore this step and resume the print. Because the print pauses on differen