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I guess you need to go in the N panel > Tools > Brush Settings > Texture > Click on Reset Transform. It looks like scaling the way you did doesn't affect the Size values, which doesn't seem logical...
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In your node setup you mix Transparent with Translucent. Translucent is not a good choice, it is generally mixed with an opaque node, it is made for objects like leaves, which are opaque when light hits from the front, and gets transparent when light hits from behind, which is not how smoke works, plus if you mix it with a Transparent it might be completely ...
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Here is the proper setup for a texture with an alpha (transparent) channel in EEVEE. Take note of the blend modes I highlighted in red on the right - these are necessary (anything but opaque).
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Not only do normal maps increase performance in games, but they also increase the speed and performance of renders. Normal maps are only supposed to be used for small details such as small dents, scratches, marks, etc. For small details, you should probably use a normal map.
However, normal maps do not modify the actual geometry of the object. They only ...
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Let say you have this tile picture:
You can either scale up the floor UV map in the UV Editor:
... or plug a Mapping node in the Image Texture node and play with the scale values:
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I think what you're looking for is a parallax effect. Although I don't know how to accomplish this in a straight World Environment shader, you can "fake" the look by using transparent spheres surrounding your scene.
All that's necessary is to give the World Environment a simple starfield background, similar to the method you described, except I ...
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does it help?
noise texture + color ramp + background + world output
(applied to world, not a mesh)
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The process is relatively straight forward, but can be made easier by enabling a built in add-on for blender called "Images as planes". Go to User Preferences > Addons and search in the box for images - only one result should pop up -"Import/Export: Import Images as Planes". Check the box and exit user preferences.
Hover your mouse ...
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I would add a Transparent BSDF and a Mix Shader to the node setup of the material of the texture (and set the Blend Mode to a type of Alpha if it isn't already). Then changing the Fac value of the Mix Shader will also give control over the amount of transparency.
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