renewable bioplastic.nd it is feeding through the tube into, what's basically a super advanced hot glue gun. it draws in the hot glue gun. and draws layer upon layer. when it is all done. we will have a bracelet for you here. >> a fun, cool application. what are serious applications that they can beep used for. >> just had a story. doctor used it before a surgery for a boy, had a heart defect. going to have how to do open heart surgery. before he cut into the boy. he printed out a model from a scan of the boy's heart. put it in three parts. he could really see what was going on before he went in and did the surgery. stuff look that. >> as a result it meant that the 14-month-old was on the operating taenl for less time. his heart, chest was open for less time. >> they say it probably saved his life. >> why don't we take a look at a few things you brought here. i really like. a frog who has -- all of the organs and pieces in here. we have a program. where we are on a mission to put a maker-bot, and great cou

it's great, renewable bioplastic and it's feeding through this tube into what's basically a super advanced hot glue gun, and it draws with the hot glue gun and draws layer upon layer, so when it's all done, we're going to have a bracelet in a minute. >> bracelet is a fun, cool application, but what are serious applications this can be used for? >> so we just had a story in kentucky of a doctor who used a makerbot before doing surgery on a 14-month-old boy. the boy had a heart defect and before he cut into the boy, he printed out a model from a scan of that boy's heart, put it in three parts so that he could really see what was going on before he went in to do the surgery. stuff like that. >> as a result, it meant that the 14-month-old was on the operating table for less time, his chest was open for less time. >> they say it probably saved his life. >> that's phenomenal. let's look at a few things you brought here. one is this frog, which i really like. this is a frog who has all the pieces in here. what do we do with this? >> this is -- we have a program called makerbot academy, where we'r