Some people play with Lego blocks. Others create awesome and amazing innovations that most of us could only dream of. This story is a fine example of the latter.

Matthew Kreuger, an engineering student on a limited budget, was fascinated with the new 3D printers on the market. But his lack of funds meant that he couldn't exactly fork out the thousands he needed to purchase one. So Kreuger did what any creative engineering student would do. He built his own 3D printer out of stuff he had laying around the house — specifically, Lego blocks. Here's how Kreuger explained his project on Instructables:

"This is a project I have been working on for the past year, it prints in hot glue and made almost completely out of legos.  Based roughly on the first version of the makerbot, while it does print, I would call this more of a prototype than a finished project."
Kreuger admits that his LEGObot has several design flaws. For starters, the hot glue it uses as a medium doesn't really have a lot of practical applications. Kreuger's hoping to fix the LEGObot's flaws in future models so that is functional while still being cost-effective to build. But in the meantime, his first model is still an awesome feat of ingenuity and a super-cool use of Legos.  

Check out Kreuger's LEGObot in action in this video:

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Man creates 3D printer from Lego blocks
Engineering student Matthew Kreuger creates a one-of-a-kind 3D printer using Legos and a hot glue gun.