I didn't like the sharp edges of the bent metal spool holder on the Monoprice Mini Delta, so I modelled this up that slips over the spool holder and gives it a nice 26.5mm radius on the spindle. Should smooth out feeding of filament.
Inspired by Enzi1984's design for the MPSM: https://www.thingiverse.com/thing:2036976
MPMD_Spool_Holder_v2.stl | 11.2KB |