hex and round hole sizing and calibration tests —

Founded hex and round hole sizing and calibration tests models & stl files for printing
Stringing test
GlenWaelbers
Nema 17 Stepper test rig
PrintSideways
caliacat x y z test
MageWesley
Overhang Test
tomi3d
Bed Level Test
HYDRA-MFG
Overhang Test
Hangtight
Tolerence Test
geandrovalcorte
Test Lead Holder v12
Hendersons Handcrafts