3D Printing explained – Wow make and design your own shoes or objects out lunar rock

Heard the expression 3D printing – this video explains it simply and boy it’s awesome. In a few years we can have our own printer making items around the home – whatever we want! Imagine designing your own shoes and having them appear on your printer – and then when you’re fed up with them recycle them into a new pair with changes on your design…oh and good for astronauts to make stuff out of moon rock should they get caught short of some nuts and bolts in space..it’s true US researchers have used a 3D printer to make objects out of melted simulated lunar rock, Imagine the possibilities!