Set the first layer filament sequence to white, yellow, blue, and black last

Coasters Print face down using lightbox settings.

.2 Layer height

Arachne Walls

0 walls transitioning filter margin

avoid crossing walls

Top surface pattern - Hilbert Curve

I used the following settings on the holder

Print face-up using lightbox settings.

.2 Layer height

Arachne Walls

0 walls transitioning filter margin

avoid crossing walls

Top surface pattern - monotonic

cork for the bottom of the coaster

https://www.amazon.ca/dp/B08XZ4VM36?psc=1&ref=ppx_yo2ov_dt_b_product_details

Rubber stops for the bottom of the holder

https://www.amazon.ca/dp/B093DHDM8F?psc=1&ref=ppx_yo2ov_dt_b_product_details