I LOVE these. Martin Senn. These have so much movement -- line drawings in three-d. @Julie Belfer and @Claudia Prodero, made me think of you, too! Playful Three-Dimensional Wire Sculptures - My Modern Metropolis
Who came up with this? Amazing!
Pencil drawing of lightbulb, wow!
Watercolor on a background then doodle on it.
Simple lines for complicated cat