The file 'Resin Mixer 1/4-20, Small, Disposable 3D Printer Model' is (stl) file type, size is 10.4MB.
This is a mixer for small batch resin 2 part mixes.Thread it onto a 1/4-20 thread rod, and use it in a drill driver.
The supports are built in. They can be left on or snapped off.