the rook test piece —

Founded the rook test piece models & stl files for printing
Quick Surface Test
Thorinair
Original IQ Test
Dylan Klaver
Clearance Tolerance Test
Breaks'n'Makes
Adhesion Test
Raynus
Retracton Test
thenerdyreview
Bed Level Test
HYDRA-MFG
Strength Test Probe
ReddeathMX
Wall Thickness Test Object
ellipticaloptician