the rook test piece —

Founded the rook test piece models & stl files for printing
APD TEST CUBE
AceProjectDesign
Bed Leveling Test
LaserAndy
Customizable Test Tower
ellipticaloptician
brim test
aRGiRob
Ball Test
ByanJI
support tree test
D_jespersen
OVERHANG TEST
Pablo_3D12
10mm Test Cube
Heromberg