Ron Parker wrote:
> I'm not sure what value of form would help in this case, though.
> To change the shape of the bricks in any meaningful way pretty much
> requires metric.

I think part of the problem is that only low walls are commonly made of
such randomly-arranged rocks.  Stretching the pattern laterally (scale
<0.2,0.07,0.2>) seems to help a bit, in this very crude sketch.

But yeah, the walls ought to be smooth.  Romanesque churches have smooth
walls, a fort can too.  The lumpy `walls' you see in a lot of ruins are
the rubble core of the original walls: their surfaces were smooth.


-- 
Anton Sherwood  --  http://www.ogre.nu/

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