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Is there a way to animate the index of refraction of a glass material so that it will change from say 1.1 at frame 10 to 1.8 at frame 30?

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Have you keyframed them? Go to frame 10 in the timeline, set the IOR to 1.1, right-click the IOR, click "insert keyframe." Go to frame 30, set the IOR to 1.8, and insert the keyframe again.

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  • $\begingroup$ you can also hover over the value and press i to insert a keyframe. $\endgroup$
    – Millard
    Oct 6, 2019 at 21:44
  • $\begingroup$ @Millard Huh. I didn't know that shortcut existed. $\endgroup$
    – chirpywiz711
    Oct 7, 2019 at 5:30

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