solder feeder pen

This thing was made with Tinkercad. Edit it online https://www.tinkercad.com/things/0INxSb9UTYs

If you do a lot of soldering. then you may like this handy tool, hold it like a pen and turn the little wheel near the tip to feed the wire as needed .
The Build...
print plastic parts,
glue the spool together
you can glue the main body parts ( optional)
go to auto store or hardware store and get 3 ( 3mm x 30 nut and screw and a piece of rubber hose approx 6mm os diameter and 3mm inside dia