-But, isn't it the job of the actor to make them... ...three dimensional?

You can get involved, so I can make you a three-dimensional human being... ...or you can continue this foolishness... ...and I will head straight back to New York and write what I want!

RepRap is a three-dimensional printer- that's to say it is a printer that you plug into your computer and instead of making two-dimensional sheets of paper with patterns on it makes real, physical, three-dimensional objects.