Thank you for the information. However, I don't see how having all cpu's render the same frame, even with small tiles, could be faster than each CPU having its own frame. At best it would be an even race. Isn't there overhead loading resources to attack a tile? In Poser they are called buckets, and you always go for the biggest possible bucket for this very reason. I accept that Eovia chose this direction. ::::: Opera :::::