Customizable towel holder (using dowel)

Customizable dowel holder for hanging towels and such. Only value you MUST customize is the "Dowel Dia". Everything else should be fine as-is if you just want something quick that works well.

Prints in two parts, the arm and the base. They attach via a dovetail locking mechanism. Attach the base to a flat surface with command strips or equivalent. Print two of each (both are left/right interchangeable, no need to mirror them). Cut your preferred wooden dowel to the desired length and insert into the arms, then slide the arms onto the bases.

All customizer measurements are mm unless otherwise specified. Default values will fit a 5/8" (~16mm) diameter wooden dowel and use size Large command strips.

Recommend printing the lockingTest first to make sure your printer can handle the dovetail tolerances (they're pretty generous).

Shouldn't need supports for any parts (unless maybe you have a really big dowel). Print everything in the provided orientation.