This is "XL-RCM 28.0 XPANDER" a 180mm size foldable FPV racing drone kit complete printed on 4th February 2016. Designed to be a foldable and compact size FPV racing drone; with swivel rotor arms for foldings, adjustable camera mounting angle and fit nicely into any compartment, medium size pocket and plastic Tupperware box and other means to make it all portable. 3D printed parts are modular and replaceable. Able to fit today small size electronics hardware in the mid cavity of XPANDER chassis. More details can be found at 3D printing page section - Click Here.

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