The file 'Air Stone Holder 3D Printer Model' is (stl) file type, size is 386.9KB.
This thing is meant to be glued to the bottom of e.g. a hydroponic system to hold a 55 mm diameter air stone in place.
AirStone_Holder.stl | 688.3KB | |
AirStone_Holder_flat-bottom.stl | 549.0KB |