D20 Coasters

D20 coasters, a must for Dungeons and Dragons game nights!

Size
Ø84mm outer diameter (corners)
Ø74mm inner diameter (sides)
Version with raised edge fits a glass/cup/mug with a Ø72mm wide base. Scale as needed. 

Total thickness 2.4mm
Thickness up to pattern 2mm
Total thickness of the edge version is 4mm.

Settings
0.2mm layer height
2 walls
Total of at least 12 top and bottom layers to make it solid (this is recommended for a smooth ironing result)
Monotonic lines pattern
Ironing
Add a colour change at 2mm if you want it dual colour.