Tape roll holder - for shelf & wall

I had tape rolls all over the place and I've decided create a "cheap" way to organize them, this is the result, hope you enjoy.

Part list:

2 x M4x10mm
2 welding rods 3.25mm

Edited: 29-01-2019

added a wall mount with:

tape-roll-holder-wall-mount-v2.stl