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  1. Showing the actual 3D model of a curving ramp.
  2. Shows the UVs of that model that blender did automatically.
  3. Shows the UV image that I need.

I am going put a road texture on it., but round faces are not helping me at all. All I need is straight belt kind of UV.

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  • $\begingroup$ You may find this answer helpful $\endgroup$
    – sambler
    Commented Apr 24, 2017 at 5:32
  • $\begingroup$ Check my edit to see the difference between two methods. $\endgroup$
    – cgslav
    Commented Apr 24, 2017 at 16:51

2 Answers 2

Reset to default
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Just select all faces of you object in Edit Mode, and make sure to ⇧ Shift-Select one last to make it active.

Press U Unwrap > Follow Active Quads and be done with it.

If you want the whole UVs to fit into the 0 to 1 UV space then in the UV image Editor use the option from the menus UV > Pack Islands.

Rotate, and adjust as needed.

enter image description here

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    $\begingroup$ This is of course proper answer, but mine is a little bit "properer" I think. Check my edit to see what I mean. $\endgroup$
    – cgslav
    Commented Apr 24, 2017 at 16:51
  • $\begingroup$ Ah yes I see now. Fewer steps may come at a cost of more cleanup afterwards. $\endgroup$
    – Duarte Farrajota Ramos ♦
    Commented Apr 24, 2017 at 18:59
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    $\begingroup$ I have not used it at all (stretching issues) until I've bumped onto this - from manual: "Please note that it is the shape of the active quad in UV space that is being followed, not its shape in 3D space. To get a clean 90-degree unwrap make sure the active quad is a rectangle in UV space before using “Follow active quad”." $\endgroup$
    – cgslav
    Commented Apr 24, 2017 at 19:07
  • $\begingroup$ So that must be why I have seen some tutorials advising an Uwrap > Reset on the active quad before using the Active Quads option. Nice find, I don't unwrap often myself, so I am not very proficient. This is why I love BSE :) $\endgroup$
    – Duarte Farrajota Ramos ♦
    Commented Apr 24, 2017 at 19:09
  • $\begingroup$ It's really great method, shame it's so often missed because of unclear usage. I've tried Reset method but it didn't work for me. Can't say why tho. That's why I've dig about Follow Active Quad and manage to make it this way. $\endgroup$
    – cgslav
    Commented Apr 24, 2017 at 19:16
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Final

  1. Select all wanted faces and Unwrap them.
  2. Select one face on the mesh.
  3. Align this face in UV Image Editor by selecting edges and W > Align Auto.
  4. Select all faces on your mesh (keep aligned face as active face).
  5. Unwrap it by Fallow Active Quads.

Edit:

Differences between this answer and answer from Duarte Farrajota Ramos.

As for number of steps it could tempting to believe that fewer is better, but not always. Here is object unwrapped with pure Follow Active Quad > Pack Islands and my method. Not additional steps was taken.

Duarte Farrajota Ramos answer:

duarte

This answer:

this

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