Diy Light Box For Tracing . Instead of tracking down a light bulb on a cord to make one like the pin on pinterest suggested, i just stuck a flashlight inside. Today i am making this. How to Build a DIY Tracing Light Box DIYTyler from www.diytyler.com Trace windows on the sides. Instead of tracking down a light bulb on a cord to make one like the pin on pinterest suggested, i just stuck a flashlight inside. Sheet of white paper, 8 x 10 inches (i used tracing paper) 3.