80x40x5 calibration block 3D models

Another Calibration Block

dualstrusion test

40 x 80 x 40mm Calibration Object

Testing Block for setting belt tension

Jake's block

Spacer block

swisbloc

12 V accublock

TNT block by Maker Club

3d Solex storage

Rostock Electronic Caliper Calibration

Electronic Caliper Mount for Rostock Max