These are simple bathroom and sink plugs designed to be printed in TPU or other flexible materials without the need for supports. The 3mf files are set to use Gyroid infill at 10%. When using TPU95a this provides some flexibility without making the plug too weak.
Bathroom Plug Size
Diameter at top: 47.4mm
Diameter at base: 42.6mm
Height: 13mm
Sink Plug Size
Diameter at top: 40.4mm
Diameter at base: 35.6mm
Height: 13mm
These dimensions should be fine for most standard baths and basins. You can always resize them in Bambu Studio if needed.