Key for Tissue dispenser "Tela"

I printed the nice source object first, but then I learned that the arms must be longer for my type of towel dispenser. So I made it configurable. Unfortunately, the Thingiverse customizer can't handle imports. But you can still use the scad file in OpenScad and modify the variables at the beginning for your needs. You need the original source file (handtuch_schl.stl) in the same directory as the tela_schluessel.scad.

There is a manually inserted support block at the upper/right bit. Just bre