The Blues! Convex version, letters are raised and top layer. There is a concave version too. Filament changes to achieve the desired result. Standard coaster size and 7mm thick. Printed with .2mm layers. Can be scaled up for a plaque, I would keep Z at 7mm even for a plaque. Blue till 5.4 Red 5.6 - 6 White 6.2 - 7