UV mapping is the process of converting the texture space of the 3D mesh into a 2D representation so that a texture can later be applied correctly.
To unwrap our monster's UV map in Blender, we need to first open up the UV editor window. Click and drag the split-window widget located in the top-right corner of your 3D view to split open a new window. Choose UV/Image Editor from the editor type drop-down menu and now you will see the UV editor alongside your 3D view.
The first step to UV unwrapping is to find out where to cut out the seams. First, select the edges that connect the ears and legs to the body.
Then, press ...