Cat key hook by aarruti - Thingiverse

Pop-up monkey hook by clide - Thingiverse

Cat Butt Key Hook with Screw Hole by revderrick - Thingiverse

3d Print Cat Key Holder

Cat Key Hook (Frictionless closing) by Hunex, Download free STL model

Cat key hook by aarruti - Thingiverse

Cat Key Hook (Frictionless closing) by Hunex, Download free STL model

Proteus Key Holder by ProteanMan - Thingiverse

Tweaked Cat Key Hook (stronger, easier to print) by echo_lalia - Thingiverse

cat key holder 3D Models to Print - yeggi