How I paint a digital pastel portrait? Generally I use Corel painter, a digital computer program, but I exploit its tools in a traditional way. First I open a blank white paper (file) and my reference photo. I prefer a big paper (over ) because I have a lot of space to work and it is only in a big file that painting and drawing tools show there real natural characters. Step 1 I use a sketch or HB pencil tool and begin to draw. I start with the eyes and then nose and lips. .Step 2 In next stage I.