I have in mind some designs to be printed on cylinders,
so that an eye at the center of the cylinder sees a realistic scene.

camera { cylinder 1 angle 360 }
seems to be what I want, but the documentation is thin.
How do I adjust the aspect ratio?  What else do I need to know?
Is there a decent tutorial somewhere?

-- 
Anton Sherwood *\\* bendwavy.org

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