first layer test pattern and torture test —

Founded first layer test pattern and torture test 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
Wall Thickness Test Object
ellipticaloptician
Test Lead Holder v12
Hendersons Handcrafts