Sketch Book Series: Penned Surface (October 2010) Posted on September 17, 2021 by davisbrotherlylove Pen-and-ink surfaces take a long time to draw. In this sketch I did not draw lines, but rather used shading to create surfaces. Penned Surface (October 2010)Vintage Sketch Book SeriesPen and Ink 5×3″ Sketch Book Paper Autism NationTweetMoreShare on TumblrLike this:Like Loading... Related