"A quadcopter is something that can take flight, hold it's position in air and you have do a lot with one. However the bigger they become, the more expensive it gets and in this tutorial I highlight the step I took to create my own quadcopter". - ipv1
"I made the frame from scrap wood, got the motors, props, RC transmitter/receiver and flightcontroller from ebay and put everything together at my convenience. This is my first quad and prolly not my last and I hope you can get something out of my experience".
Check out the full project at; http://www.instructables.com/id/DIY-Quadcopter-From-Scratch/?ALLSTEPS