Creating art with pencils is one thing, but some artist actually use the pencil as the canvas for their art.
Some of the earliest of these works appeared in the 1980s-90s and are archived on InfoFreako.
(Kikko (honeycomb) by Mizuta Tasogare Fall 1987)
Artist Pete Goldlust began carving crayons in 2000.
Are there more artists doing this? Is there additional internet spread?