Change the mode used to generate CCD axis threshold bounds for particle geometries 0: Use object bound 1: Find the thinnest object bound on any axis and use it for all CCD axe 2: On each axis, use the thinnest shape bound on that axi 3: Find the thinnest shape bound on any axis and use this for all axes
Usage
p.Chaos.CCD.AxisThresholdMode [value]
Set via the console (~) or in DefaultEngine.ini / DefaultGame.ini.