Holds containers up to 115mm in diameter. PLA works fine, but PETG is dishwasher-safe.

Stackable spiral coasters for glasses: https://makerworld.com/en/models/37717#profileId-36196

Stackable spiral coasters for larger bottles: https://makerworld.com/en/models/30059#profileId-26403

You can scale the coaster in your slicer, but that also changes the spiral pitch. Message me if you want another size.