small calibration square —

Founded small calibration square models & stl files for printing
Bridge Test
TheMisterBiggs
Corner Clamping Block
DesignTheEverything
My Stoopid Test Cube
MyStoopidStuff
Polypanels  Half End
MakeAnything
123 BlockAngle
PropRocket
ProtoCity Hubs
PrototypeHubs
CaliDragon
McGybeer