Monoprice Mini Delta Clip for Paint Roller Spool Holder

I truly believe a $2 paint roller makes one of the best possible filament spool holders. When my Monoprice Mini Delta arrived with what may be one of the worst spool holders ever, my task was clear.

This clip is a remix of Blank.stl from Thing #2701961. I used TinkerCad to add a semi-circular cut for the roller handle, and a couple of slots for a zip-tie. The base of the roller handle, and its weight, are supported by the stock spool holder bracket.

Why a paint roller? And why on the M