I just tried Sketchfab today at lunch. In less than five minutes I was able to bring back from the dead my defunct AutoCAD 3D model of the Yoder-Tilley tetrahedron for basalt classification. Click on the image below to see the model in action. If you want to learn more about basalt classification, check on Alessandro Da Mommio’s awesome website.

My top two favorite 3D geology models from today’s browsing: