Painting Techniques Video by Bob Pennycook | Feb 6, 2019 | Art | 0 comments A short demo video using acrylics on Yupo paper. Yupo allows for some sgraffito work, which I used for the tree. I used a bamboo skewer to scratch but you could also use a toothpick for skinnier trees! Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *CommentName * Email * Website This site uses Akismet to reduce spam. Learn how your comment data is processed.