If you have a sewing machine and need more hexagons in your life then this is for you! If you just got some more thread and didn't realize you were out of bobbins? Then print a few of these. These do work (I tested it) and they work just as well as store-bought bobbins. 

The bobbin is printed in two pieces so they don't need support! The sides should press fit together but if your tolerances are not perfect you may need to use some glue to keep the two sides together.

This holds less thread than a normal bobbin you need to stop winding the hex bobbin sooner then you would a normal bobbin because of its shape.

I printed this on my Ender 3 V2 and they came out quite well. If you are having trouble printing this then leave a comment and I will try to help you.

I also made a normal bobbin if you're not in the mood for hexagons.

https://www.printables.com/model/811167-simple-bobbin-no-supports

If you need to store thread I also made some storage options for spools of thread.

Gridfinity Thread holder: 

https://www.printables.com/model/811806-gridfinity-thread-and-bobbin-spool-holder-no-suppo

Spool Holder:

https://www.printables.com/model/811867-spool-holder-for-thread