Makerbot 3D printers were among the first to hit the market, so it makes sense that old and broken ones now litter the shelves of hackerspaces and home workshops alike. Rather than throw his one ...

Multicolor 3D printers have been around for a while, but most of these machines – like the Makerbot Replicator – suffer from alignment problems and the inability to mix colors on the fly.

When you hear the word "printer," you probably think of that machine connected to your computer that spits out boarding passes, greeting cards, and photos (sometimes guzzling ink in the process).