The file 'Dumbbell Disc Rubber Cover 3D Printer Model' is (stl) file type, size is 1.1MB.
These rubber covers protect my floors from my cast iron dumbbell discs.
Source scad file is here https://github.com/gshimansky/scad-models/blob/master/dumbbell-cover.scad
You need to install Round-Anything library to render it.
dumbbell-cover.stl | 4.9MB |