notes for Polypainting in zbrush:
filling object with base color
left panel -> Materials -> skin shade 4 then choose a skin color in color picker top -> Mrgb disable Zadd and Zsub (so we're only painting color) top menubar color -> fill object
painting parts from scratch
select a new color in color picker top: check Mrgb uncheck Zadd and Zsub select brush standard
color picker
click into color picker and drag square anywhere hold alt to get exact value!
adding layers
tool (right) -> layers click on big square (plus) to create a layer then paint when done click bake button
blend colors
hold shift to blend (Attention: shift has it's own settings, to make sure Zadd and Zsub are deaktivated and Mrgb is enabled)
stroke
spray alpha: 8
subdivide if object has not enough polys
tool (right) -> geometry -> click subdiv button
draw circle
stroke: dragRect alpha: alpha14 adjust Intensity and Focal Shift to get more contrast