Hello, it's time for gen 2 (personal favorite) with great ball colors:
Gen1 Pokéball : https://makerworld.com/en/models/461511#profileId-371212
Gen3 Ultra ball: https://makerworld.com/en/models/467011#profileId-376033
There are version with AMS and no AMS needed
Edit:15-05-24
To get a smoother top black surface, you need to activate “interface shells” that is hidden by default. You need to enable develop mode on preferences:
After enabling this setting, you'll have a complete solid layer just before the Pokémon silhouettes!