Fireflies in Render Coming from Archmesh Window?

Hi Everyone.

See the following image: When I hide the window model / glass in the render, it looks great! When the window is there, it seems to produce a lot of little ‘firefly’ type light glitches like you can see in image.

Anyone have any ideas about what might be causing this?

Here with window hidden in render = clean!

Try a glass material made out of only transparency shader. If that works, search for glass here and you’ll probably find a good setup for it.

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Hey thanks Carl, I appreciate it.