“The Idea Of A Tree” by Thomas Traxler is a piece of art that creates itself. Powered by solar panels, the artwork uses that energy to weave itself into intricate designs. The machine produces one object per day and it varies depending upon the intensity of the sun on that day. The name comes from a comparison to a tree, whereas both are three dimensional objects that will grow dependent upon the sun.
Here’s a very brief video showing the machine in action: