A simple circular coaster with a rim. I printed several with no top layers so as to expose the infill. Dimensions: 110 mm diameter 5 mm height Photos: 15% Hilbert Curve Infill 15% Archimedean Chords Infill 20% Octagram Spiral InfillUsing Slic3r or other equivalent software to create the G-code. For a simple coaster, just print. For a more artistic touch print with no top layers and expose the infill.