07-11-2019, 03:53 AM
The size of them shouldn't matter that much. There are only a couple PhysX settings that are scene-scale dependent (PhysX Shape -> penetration offset/contact sensitivity). But with a lot of bindings you want to really increase the 'pos iterations' setting of the PhysX rollout. Set it to like 24 or 32. It is a key to the bind solver's stability.