The file 'Dremel 3d45 / 3d40 Spool Peg 3D Printer Model' is (stl) file type, size is 7.8KB.
The new cardboard Dremel spools don't stay on the roller without the door (my doors broke a LONG time ago). This peg press fits into the end of the roller to hold the spool in place.
Dremel_Spool_Peg.stl | 33.4KB |