I needed a small tea cup to sit on the lap of a grim reaper shelf buddy for my girlfriend. So I made a very simple teacup 15mm in diameter and 10 mm high. 

Organic supports recommended for the saucer and handle. 

I did need use some sticky tack/Removable mounting putty, to have it stay on the Reaper's lap. 

The reaper model can be found here: https://www.printables.com/model/884100-grim-reaper-sitting-remix