Paper Towel Roll Holder

I needed some paper towels in my workspace for cleaning the 3D printer bed and such. I didn't feel like buying a paper towel roll holder and had a wooden dowel lying around, so I designed and printed these brackets to hold a standard paper towel roll. Designed to easily replace the rolls. The dimensions are such that one can easily place a new roll in there without having to squish it flat against the wall. Fits a 22mm diameter wooden dowel.