"Kenneth" <kdw### [at] gmailcom> writes:
> After reading the various suggestions here, I
> experimented with different
> set-ups, and finally found one that works. It uses
> two light sources: a
> shadowless one in a light_group with the large
> horizonal disc, and another light
> for everything else. The no_shadow flag is not
> needed in any of the objects.
I’ve tried that out, too. With a shadowless light source, you don’t get
highlights. You can remedy this by setting “no_shadow” for both the
wall and the gnomon, and putting the former in a light group with a
negative-intensity light source projected through the gnomon.
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