Sometimes the line between art and crafts and design gets a bit blurred due to the artist's use of unconventional "art media," which throws an item or project into the latter classifications, which are generally considered of a lesser quality and value, even though it may be more original and take as much, if not more, time to create. I feel these sojourns can be of inspiration and generate new ways of doing things for the supposedly finer art of painting. Good exercises. Here are a few examples:

INTERIOR DESIGN