Design your cup with your own colouring of the different elements! For example, with the colours of your country. Or adjust the height of the handle ring individually. Or close the cup with the cover ... for various reasons.
Inspirations here: https://youtu.be/hk9kyBN0PRc
This cup is a contribution to a 3D-Modeling championship 2018 on www.partcloud.net. The contribution reached the 2nd place.
For deco and cold drinks PLA would be ok. But for hot drinks I would recommend a more heat-resistant print material.