I wanted a bowling ball stand to clean off the lane oil. This design is influenced by ryanheisler's Bowling Ball Cup, zenzd's Bowling Ball Spin Stand, and commercially available stands.  This cup has holes to insert the bearing rollers in a friction fit and a small notch at each mounting hole if you need to pry a bearing out for any reason.  I sourced the bearings online; search for "10pcs Nylon Transfer Bearing Roller 8mm Diameter".  There are steel bearings available, but I used nylon for less chance of scratching the ball.

Settings:
Filament Prusament PLA
Nozzle 0.6
Layer 0.20mm
Supports None
Fill 15% gyroid
Perimeters 3
Temp 215C