Using 3D Camera and Object Data From Blender in Natron

El Director writes:
Continuing my adventures of using Blender and Natron together in a VFX workflow, this tutorial shows how to generate a 3D camera and object data in Blender that can be used for compositing in Natron. The concept of this technique was used as far back as Apollo 13!

“…was used as far back as Apollo 13”
Oh that was how Apollo mission was done