// 3: like 2 but one-layer window for ad-hoc multi-colour
initial_layer_thick = 0.400; // ^ needed for mode 3 only
-initial_layer_width = 0.125; // ^ needed for mode 3 only
+initial_layer_width = 0.750; // ^ needed for mode 3 only
multicolour_gap = 0.15; // each side
phone_cnr_rad = 6.0;