This open-source, customizable FPV Quadcopter “Crossfire” has all 3D printed main body, top plate, arms, legs, pad, and GoPro (camera) case. The rest of the basic electronics and hardware include motors, ESCs (Electronic Speed Controls), battery pack, flight controller, and some screws. The whole package was designed to be under $200.
The printable parts of the design by Mike Bristol is available on Thingiverse with detailed instructions on assembly. There’s also a healthy thread of questions, comments, and complaints from citizen drone enthusiast who have already or are planning to attempt this build. If you are planning to give it a try, you are not alone!