Just made this for fun. :)

A box with a ball inside.

I made it with support, on the top parts, an brim for the ball.

Printer:

Prusa MK3S+.

Rafts:

No.

Supports:

Yes.

Brim:

Yes.

Resolution:

0,3.

Infill:

20%.

Filament:

Prusament jet black PLA.