This page would look a lot spiffier if you downloaded a standards compliant web browser.

The Designosaur and the Furniture Factory: simple software for fast fabrication
    We describe two domain oriented design tools that help novice designers design three-dimensional models that they can build using rapid manufacturing equipment. By embedding domain and manufacturing knowledge in the software and providing a sketching interface, novice designers can acquire and practice skills in modeling and manufacturing,without first having to master complicated CAD tools.