500mm quadcopter, fully enclosed, gopro mount built in, vibration dampened flight board, battery slide and hood

This is our first upload of our quadcopter design, about its 12th revision though.

Features:
- motor cabling through 12mm arms
- slide on battery clip
- vibration dampened flight board (effectively kills all vibrations to accelerometer)
- designed for 4 in 1 hobbywing esc
- extremely strong
- motor mounts have built in hidden hole for leds to light up the plastic for orientation
- very lightweight
- totally enclosed with hinged hood
- gopro mount built in
- landing gear u