Meshes attached to bones staying on edge of screen?

This seems related to the question: ArcRotateCamera's Radius affects the Rotation/Position of attachToBone Meshes - #3 by gbz

@Evgeni_Popov had solved this with skeleton.prepare(). Maybe this could help resolve your issue

@equicolor, could you share which version of BabylonJS you’re using?

I also wonder if this question is related: Skeleton animations stalling / glitching