We use CAD and a CNC machine to create a unique 250-sized mini quad to accommodate a camera gimbal.
Because you guys have been asking here is my gear.
Main Camera: http://amzn.to/2mhtPNk
Secondary Camera: http://amzn.to/2mVSRES
24-70: http://amzn.to/2ncxACO
70-200: http://amzn.to/2ncykbc
Another favored Lens: http://amzn.to/2mZr7zc
Editing Program: http://amzn.to/2mW9ZKy