Mini Quadrocopter from Leftover Parts

I crashed my XciteRC Rocket 65XS QC and had some working parts left. I found them a bit to good to throw away so I bought some bigger motors as they are used by Hubsan and made a new chassis. I think it got simple but nice.
The motors clamp in the holes the other parts are attached with rubber bands. The wiring goes through the arms.
The copter you see on the pictures is an older version, I printed it in ABS and had some warping but regardless this thing flies very well. I would recommend t