Flattening big stones

[Federico Mena Quintero]

I just ran into this video of a local lithography workshop, and how they flatten their stones. Maybe someone here will find it interesting :)

http://www.youtube.com/watch?v=KzARXeyP9SY

(The rest of the videos in that channel are great, too!)

[Peter Pedisich]

Federico, thanks that was very interesting! -Pete