2

This usually happens, when your object has non-uniform scale. You need to apply scale first for a correct UV unwrap. Object > Apply > Scale Also, make sure your texture is connected to the UV map


1

Your current bake setup is set to Normal baking. I believe what you're attempting to do (if you're following that tutorial) is either Combined or Diffuse (colour) baking.


1

Well, this is a fun one. What is going on It seems, unwrapping depends on your shader's image texture, not the texture in the UV editor. Again. It's not about the UV editor, it's about the shader editor. I have three textures with different aspect ratios. 1:1, 2:1, 3:1. But the UV map ratio is always based on the image selected in the shader editor. ...


1

Your texture is distorted, because your image texture is in 2:1 aspect ratio, and your original UV map in 1:1 aspect ratio. Either manually scale the UV map to half it's width. Or use the Mapping node's Scale panel to correct for the distortion.


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