The kitchn is all hopped up on coffee recipes and trivia this month so we want to point out that this brew of the gods isn't just for sipping.
Taking a tip from a former art school instructor (who believed coffee rivaled any watercolor paint out there), we put it to use in a window treatment.
We have a nice big bay window which is great for light but not that great for privacy (being on the garden level). Our solution was to make translucent screens out of vellum paper and balsa wood and coffee.
We spray-painted the balsa black and glued it to edge the vellum to give the flimsy paper structure. Then we brewed an undrinkable dark pot of coffee, and painted onto one side of the vellum, letting the coffee run and pool. After the coffee was completely dry, we hung the screens, using fishing line and eye hooks. The dried coffee, grounds and all, gave the plain vellum a subtle but distinct marble effect.
Painting with coffee is always fun but can be tricky. Some brands dry into rich browns while others can turn a greenish-yellow shade. Try your own coffee/paint experiment and don't forget to send in your photos!