Youtube White screen LightBox
You can use this video as a lightbox in a pinch to trace something. place the item to be traced on the screen. And place your blank paper over it. The white of this screen acts as a lightbox. You can then trace it.
This video is a companion piece to my tutorial on how to make an actual lightbox with led lights and foamboard.
That tutorial is here:
• How to make a light box