Genius hour 13
Today for genius hour I looked at how 3-d printers work and what they use to make thisngs. I learned that you make alot things by 3-d printers from toys to building. I learned they use two different kinds of plastic. I also put up a video from youtube explaning how a 3-D printer works and how to us one. I also put up a picture of a 3-d printer. Tommorow I am finishing up writing about the 3-d printers.