I worked witk a mask in this setup Full post here [ http://www.renderosity.com/mod/forumpro/showthread.php?thread_id=2832094&page=1](http://www.renderosity.com/mod/forumpro/showthread.php?thread_id=2832094&page=1)

Create a mask to control the blender

I give multiple solutions in the post.

Poser 1, 2, 3, 4, 5, 7, P8 and PPro2010, P9 and PP2012, P10 and PP2014 Game Dev
"Do not drive faster then your angel can fly"!