mmu chess test up to 5 colours —

Founded mmu chess test up to 5 colours models & stl files for printing
My Stoopid Test Cube
MyStoopidStuff
Nema 17 Stepper test rig
PrintSideways
Thin Walls Test Piece
Breaks'n'Makes
caliacat x y z test
MageWesley
Overhang Test
tomi3d
9 point bed test
Cobwebblox