A tiny prop model of toilet paper roll and holder. It's about 25mm squared at the base, and 35mm tall.
The holder can be printed on its back (i.e. the holder rod facing up) without supports and the toilet paper roll can be printed on its side (cylinder vertical) as well.
The toilet model that you see in the picture isn't mine, but you can get it at https://www.printables.com/model/500150-toilet
FreeCAD and STL files both available for use and remixes.
The author marked this model as their own original creation.