I just looked back at the setting I used for this tile:
This is a porcelain tile from Home Depot. They come 9 to a sheet.
I applied 2 coats of Rustoleum flat white paint about 20 minutes apart then let that dry for an hour or so.
Speed = 250
Power = 30
Convert to dots
LPI = 340
Scrub off the excess white paint using paint thinner.