Just in terms of the Blender > UE4 pipeline, this is a pretty exasperating bug, because there is no end-user workaround. If you have a scaled-up armature and you go to import it as a Skeleton, the Physics Asset will break because any constraint with Locked linear limits will cause the mesh to attem…

Is the issue solved by applying the bone scale in Blender before exporting?

PhAT does not properly handle scaled rigs

TJ_V (TJ_V) August 11, 2014, 4:19pm 4

Hi RhythmScript,

You’re correct, we don’t recommend skeletal mesh scaling of any type inside UE4. But take a look through the links below before you rebuild your rig, they may have some info that could help with your issue.