This is by far the easiest quad I`ve ever built. Lots of though went into the simplicity and design of the frame. Maximum protection to maximize your flight time.
See the website for the schematic and other build tips.
There was a stiff breeze today at the field and a lot of thermal turbulence so I thought I`d see how well the little DIY Sub-250 gram FPV model I built from foamboard would handle the conditions