Montags Grummel 293-003Diamond Painting Humor meets office frustration The Grumpy Unicorn by Brillify brings color into everyday life Diamond painting humor isn't just a creative outlet, it's a way of life and that's exactly what you get with this unique motif directly on your canvas. If you're into diamond painting humor, you'll immediately identify with this design. Diamond painting humor means approaching everyday life with a wink, and this motif celebrates exactly that.