The file 'Utility Knife For 18mm (3/4″) Blades 3D Printer Model' is (STL) file type, size is 2.6MB.
Holder and fixture parts for 100 mm X 18 mm (4" X 3/4") blades.
Required:
You will need to make thermal (or hammer) insertion for nut and screw in valve parts (technique described here https://www.3dhubs.com/knowledge-base/how-assemble-3d-printed-parts-threaded-fasteners)
PS: My prints of holder overstanded static bend test of 70 kg. (see photo)
holder_10.STL | 207.3KB | |
valve_round.STL | 5.4MB | |
valve_round_back.STL | 762.2KB |