That depends on your layer thickness, but regardless, do it where the background converts to the white overlay. I've found that, depending on your filament, you need 2-4 layers of a color and for white over black you need to be at 3-4.
That depends on your layer thickness, but regardless, do it where the background converts to the white overlay. I've found that, depending on your filament, you need 2-4 layers of a color and for white over black you need to be at 3-4.