Lego printer writes 'Hello World' with felt-tipped pen (video)
Wired, June 2, 2010 We’ve seen some pretty amazing Lego creations over the years, and this has to be one of our favorites. (Or at least, one of today’s favorites.) A YouTuber named “horseattack” has assembled a Lego printer that uses little more than a felt tip pen to greet us all with a hearty “Hello World” (although we’re sure it can write other stuff as well).
