Note: this post is from 2007, outbound links may be broken.
Candyfab 4000: Solid freeform fabrication with pure sugar
The general idea of our build process– that of stacking solid two-dimensional printed layers– is actually common to most solid freeform fabrication methods. Our machine employs what we believe is a fairly novel low-cost technology to accomplish this: selective hot air sintering and melting (SHASAM).
Link via Digg.