James Wilson made a homemade light box from an old flatbed scanner. You know, one of these things:
He uses the light box for viewing negatives and contact proof sheets.
In his own words, “It was a simple process; gut the scanner, hook up a light fixture inside it:
“…and paint the inside of the glass white. Total cost was around ten bucks for the light fixture, wiring, and paint.”
You could use this light box for other art projects, too. Old scanners like this often show up in thrift stores. [Lifehacker]