This project is inspired by Flitetests Knuckle H-quad. ( http://flitetest.com/articles/knuckle-h-quad ) that tophe75 made pritable ( http://www.thingiverse.com/thing:163794 ) It is essential to get the booms perpendicular when building an H-quad. Since my printer is a lot more exact than me I wanted to use it's prowess to help me get it right. Thus the knucke-walls was born. The walls holds the 10mm booms in place making assembly easy. There is 1mm gap between the two halfs if you want to wick in some glue instead of using the holes with screws. Simple print out 8 angles and 2 hubs and you can start building. On the pictures you see me using the power distribution hub, battery/reciver bridge v2 and the ESC holder. (Also the crappy landing gears but they are to weak. Broke 3/4 in second landing. They will get an update!) I think I've manage to keep the simplicity of the Flitetest knuckle H-quad kit and even add a bit to it. I used Pwnas motormounts: http://www.thingiverse.com/thing:198878 Electronics used: ESC: http://hobbyking.com/hobbyking/store/uh_viewItem.asp?idProduct=15202 flashed with SimonK Motor: http://hobbyking.com/hobbyking/store/__18967__D2822_17_Brushless_Outrunner_1100kv.html (Not to happy with these though) Prop: http://hobbyking.com/hobbyking/store/uh_viewItem.asp?idProduct=25815 Board: http://hobbyking.com/hobbyking/store/__49254__Hobbyking_KK2_1_Multi_rotor_LCD_Flight_Control_Board_With_6050MPU_And_Atmel_644PA.html Battery: http://hobbyking.com/hobbyking/store/__8932__Turnigy_2200mAh_3S_20C_Lipo_Pack.html PS. Mount for GoPro in the works. Just gotta get my printer unclogged! =/