3d printed parts

A NACA duct intake for foam planes. The cutout needs to be 2.5 inches wide and 3 inches long and have 0.2 inches gap around it for the lip. It has a pretty big opening and 2 of them are enough to cover a 40mm EDFs intake area. They would also be good for cooling an esc with a heat sink or a DJI...

Here are a few pics of my latest foam board project(s). A motorized Versa and a scratch built high wing. I use internal 3D printed ribs to smooth out the airfoils in my foam board wings. And I developed a 3D printed servo mount specifically for foam board installations. The servo...