The file 'PVC Pipe Clamp (3/4″) 3D Printer Model' is (stl) file type, size is 20.0KB.
Affix a piece of 3/4" PVC pipe to a flat surface with this clamp, a hose clamp and 2 1/4" lag bolts. The two holes for the lag bolts will probably need to be touched up with a 1/4" drill.