Why is GenFab building a factory that makes itself? @mattparlmer, founder and CEO of @genfabco: "We make manufacturing equipment that can make a lot of its own inputs, and we can use that manufacturing equipment to make increasingly sophisticated products." "The galaxy brain version of this is minimum viable von Neumann constructor. The more grounded version is: if a significant fraction of the final cost of a product is the depreciation of the capital equipment used to make it, then if you…