Marble Towel Holder/Hanger

This towel holder uses a marble to keep your towel in place.
It's one piece, easy to print on its small flat side. Just snap a 10mm marble inside, glue it somewhere (kitchen/bathroom) and you're done!

Check the video to see how it is supposed to work.
https://www.youtube.com/watch?v=bAFMTptH0LY