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I'm making a Transparent Glass Cup in Blender 2.8

I'm using the Principled BSDF --> Transmission set to 1, Roughness set to 0

If I'm not mistaken, if I export it to .obj/.fbx file, the glass cup will no longer transparent and I will need a texture for it to make it transparent again.

Is there any way to do this?

Ray
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  • You would need to bake the alpha transparency into a new texture. Does this help ? https://blender.stackexchange.com/a/57541/86891 – Gorgious Jun 30 '20 at 07:50

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What you should export out is a 'Transparency Map'. Otherwise known as Alpha Map as well

Its a black & white map, where black means 0(fully transparent), white means 1 (fully opaque)

After preparing a transparency map, you can connect it to the transparency/alpha slot in any engine, and it would work the same.

Ahmad Bilal
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