The Texture Properties Adjustment
When modifying a wallpaper, you can define the image repetition along U and V, as well as its scale, its position and its orientation
:
-
Scale U, V: Determines how the texture is stretched along u and v axes.
-
Position U, V: Determines the position of the texture along u and v axes. By default, the image is centered.
- Orientation: Determines the rotation of the texture on surfaces.
You can click the Links U and V scales 
button to resize U and V proportionally.
This is especially useful for square shapes such as the floor material. When this option is activated, the button changes to 
.