A friend of mine showed me a compact way to store solder by using a sewing bobbin, so to avoid having to use real bobbins I designed a similar part so I could use that instead to store solder for the times I need to solder things outside the house.
Technical
Printed with 0.2mm layer height in PLA, since its in 2 parts, no need for supports but does need super glue to stay together, see more here: https://youtu.be/kURxE-8pnrw