Can't use opacity mask and glass material

I would like to use an opacity mask to generate a label I created in Maya, but I can’t find where to apply the mask. On the other hand, I don’t see a way to use a glass material, since it only seems to have an opacity property.

Hi, welcome to the forums!

You can apply an opacity mask via the Material inspector. You just click the
Screenshot 2025-04-25 at 2.20.24 PM icon.

We’re working on improving the rendering quality of Materials. You can do it with three.js per the three.js examples and the ability to access three.js from the window.