Jay says, “I was thinking it would be cool to have some UV art on my wall, so I painted this awesome 32″ square, glow in the dark, UV reactive 1up mushroom on my wall. I started by finding a suitable image to paint. I settled on a sprite of a 1up mushroom I found on Google image search or something. I blew it up with MSPAINT and I printed out. I Stuck it on my wall, and started drawing a 16×16 grid. It took time. and patience. and pencil.Link.