science

The paper mentions 2 printers and quite a few other pieces of equipment for clearing the lenses, which is kinda what I figured the catch was going to be.

Edit: what I could see coming from that is this new manufacturing method bringing costs down across the board, and they'll almost certainly be individuals that go all the way through with it as it's described here, along with making improvements along the way. I just think the headline is inviting disappointment.