bbox based on the previous element

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Hi, 

I would like to create a stack with some pieces of geometry and scale down each of them based on the previous bbox. The final look should be like a pyramid based on the geometry you are using .. something like that:
Image Not Found



__
_|__|_
_|______|_
|__________|

My problem is that I haven't been able to figure out the correct VEX syntax to use a point wrangle and read the bbox from the previous iteration. Any help out there?

Thanks
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Might be something here you can steal from:

http://www.tokeru.com/cgwiki/index.php?title=ForLoops#Stacking_boxes [www.tokeru.com]
http://www.tokeru.com/cgwiki [tokeru.com]
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Hey mestela, thanks for the link.

I already saw this link I was planing to follow a different approach but I will try to make it work with the setup from tokeru.

cheers
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