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Upon smart UV wrapping a toolbox, this happens:

enter image description here

As you can see the UV map is stretched. This is problematic as the pixels need to be perfectly square.

Assistance would be much appreciated.

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    $\begingroup$ did you apply the scale with Ctrl+A > Scale ? otherwise share your blend file blend-exchange.com $\endgroup$
    – Harry McKenzie
    Jul 31 at 2:52
  • $\begingroup$ Important: apply the scale in Object Mode, this is nothing to be done in Edit Mode. $\endgroup$
    – Gordon Brinkmann
    Jul 31 at 8:57

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Well as pointed out in the comments by @HarryMcKenzie, it's probably a scale problem. If the scale of your object is not (1, 1, 1) then your UVs are going to be streched when you unwrap it with Smart UV Project :

streched texture due to bad scale

The simplest solution would be (if you don't want to readjust all the UV manually) to apply the scale and then reunwrap the object :

texture applied correctly

I would (strongly) suggest that you allways pay attention to the scale of your object when working with Blender or any other software for that matter and allways make sure your scale is at 1 unless you have a good reason. Scale value other than 1 can lead to other kinds of problem. And as Robbin Betts says :

Personally, I would go further, and suggest: 'Never scale in object mode, while modelling'. Half the questions on this forum would disappear. But I'm probably bossier than you. :)

I hope I helped.

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