ChromeStar, your reflected light is really sharp! Wow. I tried it again. This time I used only 1 spotlight instead of 3 like last time. I just used the render preset Optix High. I futzed around with how high and close and at what angle to put the light. I have no clue. The windows are set to emission 1, but, as hborre suggested, I lowered the intensity of the light. But I have emission of 1 coming off GROUND's background and ground. Doesn't seem to make a difference one way or another.

The light intensity in the 1st pic is at 200%. I couldn't get much reflected light any lower than that. The 2nd pic is at 500% and the third is at 2000%. I guess if I'd used your settings, it'd be crisper. And I made no changes to the materials in the figure. Someday, I'll want to use this technique, and now I know how!!! Well, sort of, hehe.

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W11,Intel i9-14900KF @ 3.20GHz, 64.0 GB RAM, 64-bit, GeForce GTX 4070 Ti SUPER, 16GB. 

Old lady hobbyist.

All visual art or fiction is "playing with dolls."