Painting pyramid
Free     Thingiverse     DreiDEHorst

Painting pyramid

These painter pyramids have 2 screw holes so you can fix them to the base They are stackable and the holes in the sides make them very easy to grip ...

similar models —

Painting pyramid alternatives
Paint Pyramid
Justin Depew Design
pyramid
mory_net
Paint Palette
jmichael3
Paint Tray
ScoobaSteve451