the frame of the quadcopter is 3.5 inches
thingiverse
I made a frame for a 3.5-inch quadcopter, you can put both collector and non-collector motors, everything will depend on what components you have
Download Model from thingiverse
With this file you will be able to print the frame of the quadcopter is 3.5 inches with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on the frame of the quadcopter is 3.5 inches.