Mini spool

thingiverse

Simple spool design for small amount of solder or other small wires. Spool consist from Up and Down side. Two pieces are simply screwed together, no glue or bolt are needed. Number in Down file say how high is usable space in spool. In inner circle is small hole for securing the wire and outside of spool are 3 holes for easy check how much wire is on the spool. Screw have no spare margin, is dificult screw it together, but after that is it very strong conection.