If you don't want to spend time separating the model with meshmixer,
The separate files are available for €6. Message me.

The Bal and Head are Empty, for your designs.
ESP or NodeMCU, motordriver, motors, Pocket beamer, range finder, bluetooth comms between the ball-robot and the head-robot, and BB-8 is complete!

NOTE: IF you can scale her up on your bed, do it. the tolerances are close..
a 200x200mm bed should be able to scale her up 1.01 to 1.05

No

Yes

0.35

15

0.35mm nozzle
supports:
ball top, bottom and head top: 20° overhang angle
1mm x/y clearance for your support
0.4mm Z clearance for your support
printed with cooling
Needs at least two vertical perimeters
was printed with 4 top and bottom solid layers