Trying to animate something in Blender and I thought I might try and give it water balloon physics. I don't know how to simulate these kinds of physics so I was wondering if anyone has any suggestions.


Do you want a physically accurate simulation ? Or just something that looks like a water ballon ?

If you want something that simulates the look of a water ballon I would suggest looking at soft body but If you want to go in depth, You would need to put a fluid simulation inside a soft body or a cloth simulation ( but you will need a pretty buffed up computer for that ).

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  • $\begingroup$ How do I put a fluid sim inside a cloth sim? $\endgroup$ – SamtheMan 6259 Jul 15 '19 at 1:39
  • $\begingroup$ Sadly I can't do it on my computer, so I was only able to do one with a soft body : Create a soft body bake a simulation and export it as shown here then make behave as the obstacle for the fluid. $\endgroup$ – Edmond Boulet-Gilly Jul 16 '19 at 9:35
  • $\begingroup$ But the fluid won't have proper interaction with the soft body, the physic simulation will be cooked and the fluid will move inside. $\endgroup$ – Edmond Boulet-Gilly Jul 16 '19 at 9:37

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