looking for an overhead(?) projector that projects original artwork

[rgG]

http://www.artograph.com/projectors.htm

I still have and use an Artograph projector that I have had for decades. Mine is a much older version that is similar to the Prism model shown on the link.

You can get them at Dick Blick and I'm sure there are other places, too.

http://www.dickblick.com/categories/opaqueprojectors/