Paper Roll Mount for Workshop

UPDATE: Added SCAD file. Should be fairly easy to adapt to other heights/diameters now.

Printable parts for a paper roll mount. Meant for rolls with 22cm outer diameter maximum and at least 4cm inner diameter. The holder is meant to be combined with a wooden rod or aluminium tube of 4cm outer diameter. Length should be chosen by the length of the paper roll + at least 16mm extra to give the roll enough play.
Top bar has 3 holes for M3 screws. Mounting using the two outer screw holes should s