tube you can do the same thing with a printer like that. >> you were able to create a dessert by putting letters inside of cakes? >> you can cut a cake inside you can put your name on it. >> how does it change business? they had a piece on this a few weeks ago how they believe it could be the next trill revolution for small businesses starting up. you don't need a whole factory to build things. >> the idea is if you have an idea and you want to figure out how to conceptualize the idea into an actual object you could get a system like this print it out yourself and see how it works instead of sending it off to a machine shop. >> spending millions of dollars as an investment. it could mean great things. take a look at some of the objects here. you printed these. these are all 3-d objects. these are what heart valves? >> this is the aortic heart valve. it is one of the major things i do in my research. obviously you can see the complex three-dimensional de om