Emax Nighthawk 249

Scaled the popular Emax frame down to 249mm. Each printed piece is compatible with the original frame. All parts fit in 20cm build platform, perfect for Prusa i3, DaVinci 1.0, and many other printers.
Allows 6 inch propellers. Multiple board camera mounts for easy angle changes. Two flight controller & video transmitter mounting locations. Arms can swap out in 15 minutes in a crash.

I use 4-40 screws since they are much easier to find in the US over metric equivalent m3. M3 standoffs a