CADspan

This sketchup plug-in is mostly used for making files for 3D printing. One can easily create solid, 3D printable geometry from SketchUp model with this plug-in. The Plugin also contains various tools to smooth the process of creating a model for 3D printing.

downloadable link
http://www.sketchup4architect.com/sketchup-plugins/cad-span.htm

Rajib Dey
Sketchup4architect