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This is a greybox project, so we shouldn't take in account detail or sustainability. Just something that will "work".

I have several objects that share one UV map and one material. I used Smart UV project for all of them so that it would pack them in the same space. I made a new image and applied it to the material.
I can texture paint each object just fine. However, I need to paint across all of them at the same time, in the 3D viewport (not the image editor). As it is, I need to select each object, then go to Texture paint and I can see my previous strokes, but I need to see them all at the same time (I'm making relationship lines etc). How to do this?
Also, my texture doesn't appear at all in material mode, although I have connected the texture to the diffuse channel.

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  • $\begingroup$ Hi mate, could You send the .blend here? Its somehow important if You want to draw on each object serapately or exact same shape on some parts of multiple objects in the same time - cause in this case, You could paint on one and affect all others using overlapping islands. I need a better explanation to help (if possible) and cause of that I need your scene. $\endgroup$
    – Jan Matys
    Commented Oct 1, 2018 at 22:15
  • $\begingroup$ Added my blend. I want different textures on everything (I want to write what is each block, and how it relates to each other). $\endgroup$
    – mechanicarts
    Commented Oct 1, 2018 at 23:13
  • $\begingroup$ @JanMatys did you have any luck with my blend? $\endgroup$
    – mechanicarts
    Commented Oct 2, 2018 at 19:19

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If they already share all the same UV space, then temporarily you could then join them together until the paint stage is done.

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  • $\begingroup$ I'm kinda scared to do so. I have lost work previously with the join method, even though I saved everything externally. $\endgroup$
    – mechanicarts
    Commented Oct 1, 2018 at 23:16
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    $\begingroup$ @mechanicarts if you duplicate the objects and join the duplicates your originals will remain intact. $\endgroup$
    – sambler
    Commented Oct 2, 2018 at 1:03

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