Magnet Wire Spool

Couldn't find any spools for my purpose, so I made one!Was taking apart an old PC fan and decided to try and save the wire from the coilThe “bottom” part is meant to have a 1mm hole to feed the wire end through. I had to open up the hole with a pick as it didn't come out quite right.Pieces slot and twist together as shown. However, nothing really holds the “top” part and keeps it from spinning, so a little dab of glue wouldn't be out of the question. Specs:Printed in PolyLite PETGTop and bottom discs are 50mm x 4mmCenter ID 9mmCenter OD 15mm