Elmer's Glue on Canvas, then paint the whole thing. I have totally done this, but with a hot glue gun. Elmer's Glue seems to be a better idea since hot glue leaves behind strings and is harder to work with.
This Canvas String Art Graffiti project is fun for kids and adults alike. While this is a spray paint project, you can use alternative paints or dyes for younger children. Makes a fun summer art project when your kids get bored.
this chick made this from markers and glue sticks---"The artwork is done with hot glue and a marker! It was very inexpensive, as I used left over house paint, a half price canvas, hot glue for a 3 D effect, and a Marks A Lot marker.
Custom Original LARGE Abstract Textured Sculpture Painting, "Dedicated to You"