ink drawing techniques: cross hatching and stippling
Nine discrete stipple levels with a maximum stipple count of 1000, differing by 125 stipples. The radii of the centre stipple level has been calibrated to represent a 50% gray.
Tears of a Clown by Paint Chip, via Flickr
Stipple project. Sample Stipple Portraits & other projects from this high school art program
The lonely - Sherlock by Mi-caw-ber.deviantart.com on @deviantART (3 june 2014) //i love this style of shading
contour, volume. Beginning lesson for Drawing 2.
great idea for shape and value
Ravelry: Julila's Doc-Sock - love the gradual colors of these
How A Police Sketch Artist Works - DesignTAXI.com