The file 'VESA Mount To Standard Camera 1/4″ Rigging 3D Printer Model' is (stl) file type, size is 1.6MB.
VESA 75 mount with 5 1/4" 20 holes for attaching standard camera rigging equipment.
Other design included rod mounts. This just has threaded holes so a standard rod mount (or other kit) can be attached externally.