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I am extremely new to Blender, seeking to use it for architectural visualization for my fifth-year design studio. I am modelling in Revit, exporting as an FBX, and importing into Blender.

So far everything has taken PBR materials very well, except for the imported glass in both curtain walls and window families, such as below:

enter image description here

This was a quick test, only 128 samples, but I can't imagine more samples is the solution. Additionally a black ring is appearing on the floor of the renderings, which I imagine is a result of my glass. I am using an insanely simple node setup for the glass:

enter image description here

Any help is greatly appreciated.


Wireframes and quick render below:

enter image description here enter image description here

Bottom wireframe is from previous posts' render. Thanks again!

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    $\begingroup$ See if these help blender.stackexchange.com/questions/2558/… or blender.stackexchange.com/questions/66702/… or blender.stackexchange.com/questions/71570/… . Otherwise post some wireframe images of your glass objects and what is behind them so we can diagnose. $\endgroup$ Apr 11 '17 at 0:06
  • $\begingroup$ The third link helped, especially the quality of light in my renders, but for some reason the issue still remains. Forgive me, but I'm going to add an answer to my own question really quick in order to show you wireframes. Thanks for your help! $\endgroup$ Apr 13 '17 at 12:47
  • $\begingroup$ Answers are for answering the questions only, if you have further details either edit your original question, or post a new one $\endgroup$ Apr 13 '17 at 13:03
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    $\begingroup$ I need your node setup for the window to possibly diagnose the problem there. Looks to me like it's a material issue. $\endgroup$ Apr 13 '17 at 18:16
  • $\begingroup$ Which lights are you using, and where are they positioned? $\endgroup$
    – aliasguru
    Apr 14 '17 at 4:43

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