What type of piece is this? Drawing Share a little about the materials, processes and techniques used to create this piece. Micron pens (.25, .5 and 1.0mm) on toned paper. This is my work from the portrait lesson. Thot about putting in some background, but I'm not sure. What do you think? What advice would you give someone starting this project? A black and white copy of your reference photo can help to determine values.