nodding at Pjz99 Yes, known limitations of our render engine at the present time. I say though, on rendering glass, it's far better to render WITH a shadow, than with none at all.

"A lonely climber walks a tightrope to where dreams are born and never die!" - Billy Thorpe, song: Edge of Madness, album: East of Eden's Gate

Weapons of choice:

Poser Pro 2012, SR2, Paintshop Pro 8