CupArt

A Cup for whater or something else.

1. Cup.stl -> the whole Cup for one extruder
2. CupOnly.stl -> only the cup to complete with the next one:
3. Ground.stl -> the 'Ground' for the cup, if you want to use two extruder

TWO EXTRUDER SUPPORT!
(easily with Cura 14.03)

Copy the second and the third one into Cura (with two extruder enabled) and klick right klick. Then take 'Dual extrusion merge' while you right klick on one of the both objekts.
If you want you can scale it.