the other day i was with my nephews, and they wanted to go get a statue of willie willie mays. id, let's try this. we took a picture of the willie mays statue, printed it and made a 3-d one. >> piracy, laws will have to catch up with technology. that's a legitimate concern. >> totally legitimate concern following music video and everything else, everything embedded with intellectual property. the law is nowhere close contemplating the ability to do this. but i have confidence in the legislative process and the commercial marketplace will sort this out. >> body parts clothing, practical function, medical equipment. >> yes. >> parts for airports, airport airplanes all of it. >> when they first started doing this it was called rapid prototyping. it was low volume high value. we would go to low volume high value. a hearing aid that fits your ear. dentistry where you need a crown. only one needs to be made in the world, so you could 3-d print the hearing aid. there is a friend of mine who is in san francisco using it for prosthetic legs, braces for scoliosis. the one i love is braces

willie goes one-on-one benefit leonardo dicaprio. this is nbc "today." rocknfoll. >>> back at 8:36. you may or may not know williematch when he got a chance to meet the man who made that line famous. >> i said you can go casual and call me sir. >> leonardo dicaprio plays a nasty villian on "django" unshaned, a difficult role that earned him an emmy nomination. >> what's your name, boy? >> his name is "django" freeman. >> where did you dig him up? >> let's talk about the dark character, passed guy in the classic sense of hollywood bad guy. he's a bad guy, a ma somethisog racist, horrible. >> the most deplorable guy i ever read in a screen play. >> leonardo dicaprio hated his character from the moment quentin tarantino handed him the script. >> rotting from the inside, a louie the 14th brought into the world of entitlement and lived his life essentially owning other people and having his life be dependent on other people's lives. it was an incredible colorful character. i had to play him. >> what did you say, boy? >> calm down, butch. no offense given. >> none taken. >> tarantino called mississippi plantation boss