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This is the dodgy shader setup I've done https://twitter.com/James___UK/status/1262658211934543873

I have two UV maps, one for the inner surfaces of the glass jar and one for the outer, and then with the UV islands that are irrelevant to each UV map I just scaled them to 0. Do they still have any value attached to them if I do this? I have a hard time telling from looking

Apologies if I've explained this terribly

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If those islands are used to map a texture, they will map a solid color (representing one pixel of the texture). Such technique can be used to create pixelation.

If they aren't used to map any texture, it doesn't matter.
Then I'd reccomend scaling to 0,0001 instead of 0, so they can be scaled back up if needed :).

enter image description here enter image description here

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  • $\begingroup$ My assumption that they cannot take a value then has backfired XD I scaled to 0 and saved like a fool! Thankyou for the answer $\endgroup$ – James F May 20 at 8:06
  • $\begingroup$ We've all been there :). Please mark the answer as accepted , so it's easier for others to find. $\endgroup$ – Jachym Michal May 20 at 8:11

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