Yosemite Valley's Cathedral Rocks

This is a very detailed 3d topo of Yosemite Valley's Cathedral Spires. The model is so detailed that you can clearly see the ledge on the classic climbing route on Lower Cathedral Spire.

I made it from a LIDAR dataset collected to study nitrogen export and made available on http://opentopo.sdsc.edu/. The LIDAR point cloud was gridded to a 0.5m resolution.

You can see my tutorial video at https://www.youtube.com/watch?v=bzwybr65I9o

The print took 18 hrs. It was sliced with Simplif