The file 'San Francisco Peaks In Arizona 3D Printer Model' is (stl) file type, size is 2.4MB.
This extinct stratovolcano north of Flagstaff, AZ, makes for a distinctive 3D print, made from free USGS topographical data. Here's the peak:
Matt Mechtley converted the height field into a printable object, with help from Sean Ragan. Matt's working on a tutorial for converting USGS topo data into printable terrain maps.
mountains.stl | 12.0MB |