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enter image description hereI am fairly new to Blender.(I am an experienced Maya 3D artist)enter image description here I'm using version 2.83 on an iMac. I have rendered simple 3D models before using blender and the Eevee engine. But I need to test motion tracking and photo realistic 3D car rendering for work. I have followed a good motion tracking and rendering tutorial on youtube, but since I have the motion tracking figured out and scaled correctly with my car model, it will not render. If I add a sphere to the scene it will not render. The only thing that shows up in my renders is the image sequence background that I used for the motion tracking. I have checked my render layers, the car is render enabled. The Cycles render engine is selected. I can see the car in the viewports, but it never renders! Can someone please help? I am attaching a screenshot.

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When you press "setup tracking scene" after solving the camera movement, blender creates two collections: a foreground (with a cube as reference) and a background (a plane to catch shadows).

You can safely delete the background one if you don't need a shadow catcher.

See: https://blender.stackexchange.com/a/108876/92768

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  • $\begingroup$ Thanks for the reply, but I think I figured out the problem. It seems that I started my motion tracking project having already had a car model in my scene. When I followed the motion tracking tutorial it disabled the render abilities for the car model somehow. So I started the tutorial again with an empty scene, and then appended my car model into the scene after the tracking and camera solving. This worked! I can now render my car and its shadows. $\endgroup$
    – LemonHat
    Feb 19 at 10:43
  • $\begingroup$ @LemonHat all that you need to do is incorporate the collection where the car is to the rendered collections, or add a node in the compositor to have the contents of the collection where the car is so that the information can be available for compositing. No need to do things over. $\endgroup$
    – susu
    Feb 19 at 16:45

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