The file 'Milwaukee M12 Fuel Oscillating Tool Holder 3D Printer Model' is (stl) file type, size is 166.4KB.
Print orientation as model imports. Supports only on the inside "C" lip, easily peeled off with pliers once cool.
I used 4 walls for extra rigidity.
M12-OscTool-Holder.stl | 460.3KB |