Here is a simple castle that C and I made on a Printcraft server and exported to an .stl file we could 3D print! Very detailed instructions for passing from Minecraft to 3D-printed models (and from 3D models to Minecraft!) at the link below.
http://makerhome.blogspot.com (day 108)
Hacktastic blog: mathgrrl.com/hacktastic
Shapeways geekhaus store: shapeways.com/shops/mathgrrl
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