Plastic Insert Replacement for ZX Spectrum IF2 Cartridge

A replacement for the plastic of the carton box of the zx spectrum cartridges for the interface 2.
I have no one with the red rubber, but I expect that measurement are good and not problem with that.

Print its a bit tricky, I recomend that print it upside down, without fill, using supports, and after slice it (I use cura with good results) edit the gcode with a tex editor and remove the last milimeter of the model (I print it on 0.2mm layer, so I need to remove the lastest 5 layers).

So y