#define Thing = box { <-2.5,-h,-5/sqrt(12)>, <2.5,h,7/sqrt(12)> }
intersection {
	object { Thing }
	object { Thing rotate 120*y translate -y*epsilon }
	object { Thing rotate -120*y translate y*epsilon }
	}

The translation is to avoid the Coincident Surfaces Problem, though why
that should apply as it does to intersections I have no idea.

-- 
Anton Sherwood  --  br0### [at] p0b0xcom  --  http://ogre.nu/

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