The largest printer has a build area of 660x350x550mm. If you want to go larger than that, you'll have to cut up your model and glue the prints together. That build area is for WSF, which is very porous and easy to glue together.The Mad Moder
michael@shapeways.com
It does depend on the material. chose the material you want from the link and it will show the max bounding box size. http://www.shapeways.com/materialsjacantdesign@gmail.com