You know those ceramic candle holders which have the same effect as lithophanes, but with a candle inside them. Well I thought I'd do a LED version:
http://3dprintboard.com/attachment.p...tid=5028&stc=1
It uses PhotoToMesh's surface of revolution. It took me a while to get sizes and thicknesses right, and I used orange plastic because I ran out of white. Full details here:
http://www.ransen.com/PhotoToMesh/Be...e-(How-To).htm