The file 'Overflow Relief Gully Or Drain Cover – 14cm 3D Printer Model' is (stl) file type, size is 11.0KB.
This is a cover for an Overflow Relief Gully, which essentially protects your house if the sewage system is over capacity. It's designed at a standard 14cm diameter.
I printed using TPU, but almost anything would be suitable.
Overflow_Relief_Gully_Cover_-_14cm.stl | 64.5KB |