The Hinge is a filament Hinge. for use, clip a small piece of Filament (about 1 -2 inches and stick it through the holes on the top of the toilet seat, and the back of the lid.
A hole connects the toilet bowl and the Tank . If Your Lid Breaks, I put a Lid STL in the files.
If You have any more questions/Requests feel free to comment and let me know. Please Like and Make!