DIY color mixing and multi extrusion Jul 25, 2016 8:30:08 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by jimustanguitar on Jul 25, 2016 8:30:08 GMT -5 Not sure how well these would work, but they're a neat idea. www.thingiverse.com/thing:1680034www.thingiverse.com/thing:498922