From toys to cars - what will you make on a 3D printer?

Will we be allowed to produce what we want and when we want at home? 

Around 200 years ago the industrial revolution changed the way we create things.

Today nearly everything we own is mass produced in factories but that could all be about to change again. Just as consumer tech has helped many of us become photographers, DJs and even journalists - could it be about to remove the barriers to production itself.

Dan Simmons asks whether soon we will be allowed to produce what we want, when we want at home?