To the best of my knowledge, .obj file format only supports one UV texture per object. However, that's not to say you couldn't edit the .obj file data via the 'group' or 'material' labels to trick the importer to satisfy your needs.

Matt





Date: Thu, 2 Apr 2015 00:32:32 +0100
From: Sebastien Sterling <[email protected]>
Subject: [OT] Zbrush and multiple UV sets.
To: [email protected]

Hey guys long time no see.

just had a quick Zbrush query.

It isn't actually possible to import a .OBJ with multiple UV tiles/sets
into Zbrush ?

i have an asset i wanted to paint in Zbrush with uv's spanning over
multiple tiles

i know that Zbrush can export multiple tiles using a UDIM.

Is it really impossible to import multi-tiled uv sets into Zbrush ?!

It seems (Ha pun !) like a pretty massive oversight.

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