Did you know a 3D printer can print upside down? A little over a year ago Adrian Boyer of the RepRap project proved it was possible. Given that a 3D printer using this technology can print upside-right1 and upside-down2, it stands to reason you should be able to print in outer space with zero gravity.
What are the practical aspects of this revelation? I can think of two. Firstly, as mentioned above, you’d be able to print in space. Secondly, if you’re low on real estate, you could always bolt a few MakerBots to the ceiling or a wall. How cool would that be?
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