The file '3M Sawtooth Photo Frame Hanger (S/M/L) 3D Printer Model' is (stl) file type, size is 67.5KB.
There are three hangers for 3M command strips. One can just buy the refill version from Amazon and print these hangers. E.g.
FYI, 3M's original sawtooth photo frame hangers cost 1.8$ / ea.
Some reference photo frames from Walmart:
3M-Sawtooth-Hanger-Large.stl | 72.2KB | |
3M-Sawtooth-Hanger-Medium.stl | 83.2KB | |
3M-Sawtooth-Hanger-Small.stl | 105.4KB |