If you are interested in learning SketchUp we have a couple of eBooks to give away, full details on the Shapeways blog at https://www.shapeways.com/blog/archives/480-Book-Review-Sketc hUp-7.1-for-Architectural-Visualization.html But basically If you are interested use twitter to tweet a link to one of your Shapeways models and include @shapeways. Easy. Cheers Duann