A drinks coaster. Two sizes, 100 mm for normal cups/mugs and 125 mm for larger mugs.
I've included the .gcode from the Prusa version of Slic3r with the colour changes.

Print instructions

Category: Kitchen & Dining Summary

A drinks coaster. Two sizes, 100 mm for normal cups/mugs and 125 mm for larger mugs.
I've included the .gcode from the Prusa version of Slic3r with the colour changes.

Print Settings

Printer Brand: Prusa

Printer: Prusa Mk2

Rafts: No

Supports: No

Resolution: 0.2

Infill: 20%