Padlock attachment for KB3D cages
thingiverse
This one is a bit more specific than the others. Sized just right for a KB3D cage by K_Biologist, the two halves hold the lock that keeps them together in place. Would require some specific rework to work for other cages, and adds a lot of top heaviness and bulk to a KB3D cage. But, on the other hand, it is much sturdier than the simpler two solutions, and can be printed to minimize forces tearing the layers apart. Sized to accept Abus 85/20 padlocks. #3 in my padlock adapter series.
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