This is a replacement inlet flange for the Insinkerator. If your inlet flange has a crack or was broken off but there's enough left - simply epoxy glue the flange to the remaining inlet and then use hose clamps for the airgap hose drain into the Insinkerator.
No need to replace the entire device.
Print in PETG/ABS - 5 walls 100% infill - clear coat the inside with finger nail polish for additional water proofing
The author marked this model as their own original creation.