Image to Halftone to Printable Object

This is a Processing app that will load a JPEG or PNG, convert it to a halftone image (with many parameters), and output a STL[1] or OpenSCAD[2] file.

Make cool halftone coasters. Use them as plastic "rubber" stamps. Make art!

This app was a result of a question posed on the Makerbot Operators Google group, and was written in 10-12 hours over the course of a few days. Feel free to take it and add features or make a standalone app or whatever.

You can download the source as well as packa