I am learning blender for a few weeks now. And I am trying to make a collision animation using soft body physics for my objects. I am able to see them in action in viewport without issues. But when I render them into an animation, either the animation renders the first frame throughout the entire video output or it gets stuck at some middle frame and from there I see the same frame to the end of the video.

But it also rendered just once using eevee fine. And after that not even in eevee it works.

If I reduce the objects from 20 to 5 or 6 it works fine. Animation renders. Having more objects creates the problem.

Attached the .blend file if someone wants to have a look at it. Please help.


  • $\begingroup$ try installing blender again , never heard of that problem $\endgroup$ Aug 27, 2020 at 10:23
  • $\begingroup$ @SHikhaMittal I have been using blender for over a month and I have rendered around 4-5 animations(120 frames total each) without issues. This is the first soft body animation though and I am experiencing this issue. Not sure if reinstalling will fix that. $\endgroup$ Aug 27, 2020 at 10:25
  • $\begingroup$ It will not do any damage , Although i am using blender for 2 years but not on Mac so , Still reinstalling clears a lot of problems $\endgroup$ Aug 27, 2020 at 10:27
  • 2
    $\begingroup$ it looks like it's a bake problem, rebake and it seems to work fine $\endgroup$
    – moonboots
    Aug 27, 2020 at 10:29
  • 1
    $\begingroup$ Properties panel > Scene > Rigid Body World > Cache, then I guess Delete Bake, set the Simulation Start and End, and then Bake $\endgroup$
    – moonboots
    Aug 27, 2020 at 10:35

1 Answer 1


As moonboots indicated, baking animations is a possible answer. I just had this problem and running Bake command resolved it.


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