Check out this nice post by Jake Wells on DIYDrones. Features a video that summarizes the build of great DIY quad, out of a plastic box and some wood pieces.
Main features of the quadcopter are portability, durability and to be waterproof.

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
Enjoy the video:
http://www.youtube.com/watch?v=aeTZaXV_G50
The idea of a quadcopter based on a box is not new, see this original build by FliteTest:

Stay tuned on the Personal Drones blog for the latest multirotor and quadcopter news!
Hi,
I like your site and extensive articles. I’ve added a link to your homepage on my content curation site, Drone Dump, http://www.dronedump.com.
Best wishes,
Eric