Matt Giwer wrote:
> 
>         It may be an old puzzle but
> 
>         What standard included povray shape is this?

torus { -1 ,.1 }

try also {-1, -0.1} 

{1, -0.1} renders nothing

	

-- 
In WWII Britain used the old "start a world war to prevent
a world war" trick. Some say it worked better than could 
have been imagined.
	-- The Iron Webmaster, 28

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