VALUE SCALES INTERMEDIATE & ADVANCED 2-D ART graphite on Bristol board This is a refresher assignment for my 2nd and 3rd year drawing students, at the beginning of the year, to loosen them up and get them back in that right brain zone. For my Intermediate kids, they were required to draw a 10 step value scale, and my 2 Advanced boys had to do a 15 step scale. Extremely difficult! So let's start with the Intermediate group. Senior Katherine Ku gives us this really cool atmospheric treeline...