Hamster Small Animal Tunnel Gate - For Penn-Plex cage

A friend had some sort of really old Penn-Plex tunnel cage system for their hamster. 3 of the openings for the tunnels in the cage have "gates" so that you can let them in or out of the tunnel. You probably don't need the gates at all, but the gap means that the animal might start trying to eat the cage there.

So... I printed a replacement gate. No clue how long it'll last, but it seemed to fit just as well as the original on my first try :) I did notice a little gap that the original fil