Floss Bobbin 40mm by 40mm

My wife wanted a bobbin that could be stored in the boxes I printed with the hole side up. To make it where the numbers could be visable. So I trimmed the edges making it 40mm x 40mm (Technicall 40 x 40.09, it was late)

This is the box I modded it for.

https://www.printables.com/model/369161-embroidery-thread-organizer-box

Hacked off a little bit at the flat ends.