Laurin Döpfner wondered what would happen if he took an edge sander to various objects—so he did just that, and photographed the results, which you can see in the cool video above.

Each piece was sanded one millimeter at a time; the video is made up of 650 individual frames. It's pretty cool to watch various items (everything from a walnut to a camera) slowly melt away before rebuilding right before your eyes. Döpfner explains on his YouTube page that it's about the "inner structure of nature and technology."

A lot of ingenuity went into the short film. A spoon, wood, and super glue were used just to keep the walnut in place: