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Hello Blender Community,

I already checked for this question, and it seems it already has been asked and answered. Still, I none of the answers helped me to fix this problem in my case.

I opened my file (waste floating in the ocean) to add more waste to the scene. Then I want to save it and render it. But pushing the render button it jumps back to the old version and renders the old version. To get back to my modified version (where I added more waste) I have to use the CMD-Z combination, because it seems I also cannot save the new version.

In the photo attached I described the problem. I hope somebody can help me. Thank you! enter image description here

********************* EDIT 1 ************************* I edited the scene again. I put 2 new plastic cups in the scene. And when I push the render button these 2 cups stay in the scene. Only the 3 new bottles disappear? I duplicated the other 2 bottles to create the 3 new bottles. But why do they disappear when rendering the scene while the new cups stay in the scene? enter image description here

********************* EDIT 2 ************************* Has it something to do with these arrows? Because the cups do not have these arrows while the bottles have them. enter image description here

Matt Kay
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  • it'd be way easier to get help if you attach your scene here. – Dale Cieslak Mar 24 '18 at 06:18
  • This is not related to your issue, so I'll add this as a comment: the normals of your bottel are facing inwards, follow this link to solve this https://blender.stackexchange.com/q/3606/36012 – yann Mar 24 '18 at 06:35
  • Thank you Dale, I did not attach it because I thought it would be useless because of the fact that I could not save the new version anyway.

    Yann, thank you very much, I am a bloody beginner, I did not even realize they are inside out.

     – Matt Kay Mar 24 '18 at 06:50

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When you duplicated your bottles, you also duplicated their animation data. After you reposition your duplicates, you also need to overwrite the location and rotation keyframes, or they will jump back to the original position as soon as you hit render or change the frame.

yann
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  • Thank you so much yann. This helped! I selected each of the 3 bottles and with "i" I updated the Location, Scale and Rotation. Now it works :) Thank you!! – Matt Kay Mar 24 '18 at 06:51
  • Glad to help. In your specific case, you could even delete the keyframe completely. You just have the keyframes on frame zero, so there is no animation happening anyway. – yann Mar 24 '18 at 06:54
  • Great! Thank you :) Happy now to be able to render and that I learned new things (Y) – Matt Kay Mar 24 '18 at 06:58