Foldable drone frame (Mavic look like)

PS: MY LAST UPDATE IS IN MY REMIX PAGE
http://www.thingiverse.com/thing:1940102
http://www.thingiverse.com/thing:2004357

https://www.youtube.com/watch?v=rsMGWo9yh1g
https://www.youtube.com/watch?v=509oGA5uQD0
https://www.youtube.com/watch?v=pfA0y7ZANno
https://www.youtube.com/watch?v=vCuVzhc6LwY
https://www.youtube.com/watch?v=FRNenJAj5Xg

This is only an idea of making fordable drone like DJI MAVIC... feel free to use and edit it...
i use a spring for snapping mechanism on folding arm...

If u like this 3D project, please kindly vote my instructables... :)
http://www.instructables.com/id/Printable-Foldable-Quadcopter-DJI-Mavic-Clone-Fram/

New update, edit the lock mechanism...


https://www.paypal.me/maluegha -->for some of you who asking to donate for me ... many many thanks for that ...