Every poster reserves a transparent z-layer for dots, squiggles and triangles — colors picked from the palette, never randomized.
Rule · CompositionThe Bacterio motif is signed each time — no copy-paste vectors. If a layout needs three squiggles, the layout is wrong.
Rule · CraftThree-pixel borders pin the geometry to the plum field. Without them, hot magenta looks washed instead of loud.
Rule · ColorWe rotate two elements per spread by exactly 1.5° or 5°. Anything else and the page reads as a mistake, not a wink.
Rule · Geometry