Simple Spool Winder

Needed to quickly respool filament from 3Kg spools onto 1Kg ones. Nothing beats just spinning the receiving spool on a drill, hence this simple spool winder. And I also needed fast nut mounting / removal, support for a hex bit from a compact driver, and an optional 80mm long M8 bolt for heavy 3Kg spools. Hence this design: Comes with 3 driver coupling types: It can accomodate a wide range of spools, including YXPoler&#39;s that have a recessed center cylinder, and 3Kg spools like this one from Tangled, up to ~120mm wide:<a target="_blank" rel="noopener noreferrer ugc" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgNzxTaBAF8hMMW4h7rN8_ULfMQ-QT6f2B8UstGycJE2XOTXmSnPT3hiOjeKfI-EPqhn6r6BgZtxOj6jchVfNd0cpxYs0CxPb_go6GbyUjfetLR8tvWZbZFIpZJ1g72W0izaIyuWJ2x