Lay any pattern over any other through a blend mode. Multiply drops the white, screen drops the black. What you save lands in Overprint.
open the combo maker



Black and white. Marks snapped to a lattice, shaded by size and by the ink density of a character.
RULES.md



Colour, edge to edge. A gradient sampled once per cell and quantised onto a ramp, with no ground showing through.
RULES-COLOUR.md

Made by hand in the combo maker. One pattern laid over another through a blend mode.
made by hand