
Four Lissajous figure coaster variations, also known as Bowditch Curves.
Protect your surfaces with these beautifully detailed coasters.
This was precisely etched with an xTool-F1 laser, creating sharp, clean lines.
I used this jig: https://than.gs/m/972004?affiliateCode=PILED
100x100x5.5mm Eucalyptus red-faced plywood