The collision doesn't work properly when inside a symmetry object:
https://gfycat.com/DazzlingThirstyBettong
And the collision object that is the symmetrical one doesn't have the same "quality" as the original object:
(Made more obvious by increasing cell size)
Collision not working correctly with symmetry
Re: Collision not working correctly with symmetry
Thank you for your report. We will have a look at the issue.
Angel Tena
Head of RealFlow Technology
Next Limit Technologies
Head of RealFlow Technology
Next Limit Technologies