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I'm new to Blender but have used various 3D tools in past (Alias Wavefront, 3DS4... yes, i'm old). I want to experiment with some new livery for my teams race car. (https://www.youtube.com/channel/UCw93XfcHZZ-ZLkKmCZR6dYw).

I've purchased a nice model from https://www.turbosquid.com/3d-models/1984-volvo-245-wagon-3d-model-1771691 and learned a little about UV mapping.

It has resulted in this model creating this map.

enter image description here

What I started to do was export the image and edit in Photoshop. I want to add a logo to the side of the car, something like...

enter image description here

Now the challenge is that the UV map breaks the door into three different areas. If you look at the image above of the Blender UX, you can see how the blue line ends up in three difference places on the UV map. (Circled in green).

I tried hitting the unwrap item in the UV menu, and this gave me a slightly different map. This time the door is indeed all in the same place, BUT a headlight map is now over the top of it as well... as you can see from the image below. enter image description here

This is making my editing in Photoshop a challenge to get the logo to sit correctly on the door. I tried following a tutorial (https://www.youtube.com/watch?v=56AAMGYIVsQ) for layering multiple textures on a model so I can apply the logo as a separate image. But it seems it's complicated to add many different textures, in different places, to a model.

Can anyone advise me on the right approach here? Assuming there is a better way to do this.

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  • $\begingroup$ Hello and welcome. You could start with the basics and because your model does not have any texture, you could unwrap the UV's again youtu.be/Y7M-B6xnaEM?t=202 $\endgroup$
    – Emir
    Dec 16, 2021 at 2:45
  • $\begingroup$ Is there a way to modify / simplify the model to improve the unwrap algorithms? It looks like seaming might also be a way to do this. $\endgroup$
    – Simon
    Dec 16, 2021 at 16:20
  • $\begingroup$ I updated the original post with another effort, now the UV map has parts of the model overlayed on top of each other. $\endgroup$
    – Simon
    Dec 16, 2021 at 23:46
  • $\begingroup$ Is there a reason why you want to edit the texture in Photoshop? $\endgroup$
    – Blunder
    Dec 17, 2021 at 3:03
  • $\begingroup$ Actually no, that's just how i've done things in the past. Is there a better way? Oooh does blender have a good way to add images onto a texture? $\endgroup$
    – Simon
    Dec 17, 2021 at 16:48

1 Answer 1

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Here is one solution. Leave the UV unwrap as it was originally (without overlapping UVs.) Then use Blender's quick edit tool to capture a side view of the car and edit it in an external program.

After you apply the quick edit, the image will be projected onto the car and stored in the texture according to the UV map.

Here is a link to a tutorial on YouTube that you might find helpful: Blender Secrets - Texture Painting With Quick Edit

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