Fits a standard US 12 oz can. Holes in the bottom for drainage.
They could also be pen cups.
They don't insulate much, but they do separate your warm fingers from your cold drink by about 3.5mm.
.15mm layers (.1mm for Hearts)
1.0mm bottom thickness
Using "Vase Mode" or "Spiralize Outer Contour" (in CURA)
3 versions of each: round holes, hex holes & NO holes
All made in Tinkercad.
also a NON VASE MODE cozy (Hex Grid Beer Cozy.stl)
Check out my Pi Beer Cozy (https://www.thingiverse.com/thing:3430735)
i forgot to add "hearts cozy-hex.stl" when i first posted this
for an 8 oz mini can, scale X&Y to 86% & scale Z to 92%