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problem: enter image description here

my UV unwrap of top part of hourglass maked in blender: enter image description here

download 3d model: https://drive.google.com/file/d/1ri5GdgyilFbvaRLdfPjSJim_0hSTmbNh/view?usp=sharing

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1 Answer 1

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You should have indicated in your post that you send this to Substance Painter.

The issue here is that, Substance Painter on a per-material basis. So each object sharing the same material will use the same maps. So, technically, your UV's from SP look like this:

actual UVs

So you have to either arrange the UVs to make them fit the UV space without overlapping. Or you have to seperate into different materials.

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