Here are matching coasters with Voronoi patterns: https://makerworld.com/en/models/166148
Here is a larger spiral coaster for bottles: https://makerworld.com/en/models/30059#profileId-26403
XL version, up to 115mm diameter: https://makerworld.com/en/models/448688#profileId-355507
Please be generous with your likes and share your makes!
Designed in OpenSCAD w/BOSL2.