Hard to render...

[anchovy]

Here is another test of a hard to BDPT setup. I'm not sure if some of the future tech that Vlado has been eluding to may help in this case? I have a area light just outside of the opening as well as a sky. All surfaces save for the glass sphere are pure diffuse.



-Michael

[anchovy]

and after a bit more time.



-Michael

ignore the thumbnail, it went up with the wrong gamma.