Rendered from an amazingly detailed Lidar dataset available at http://opentopo.sdsc.edu/. This sucker is so detailed you can see Lost Arrow Spire. You can watch my tutorial video at https://www.youtube.com/watch?v=t4-ICkvyJv0 Print out a huge one and make a Yosemite Falls water feature for your garden. This thing was featured on the 3D Printing Today podcast available on iTunes, Stitcher radio or direct from the source at http://threedprintingtoday.libsyn.com/