Hi, people's!
Have dumb question again 
Look, http://www.babylonjs-playground.com/#2HLGLS#2 - all is ok.
Look this: http://www.babylonjs-playground.com/#2HLGLS#3 (run and click anywhere)
Why return to normal billboardMode (none) return difference results?
In my scene also i can't return mesh object to normal render state 