I was again inspired by a thread I read some time ago on the indigo forum, they show there a simple technique to create objects like fence's out of simple 3d planes.
Here is a link to the thread: http://www.indigorenderer.com/forum/vie ... 4&start=75
If you scroll a bit down you will see a fence and an elephant which is created only out of a plane over blending and displacement. That could be really efficient
way to create such objects, and have at the same time a minimum of polygon count in your 3d app. I also wanted to try this in lux and it works quite perfect,
also that I don't used a fence but a hotplate.
And here is result in lux: