Blender Game cell shading https://www.youtube.com/watch?v=Ss04Dx93Qn0&amp;index=1&amp;list=LLq1KLPD4FszVI0eoW6XFUKw&amp;t=0s

I was following the tutorial above as I am trying to make a Anime style character, After completing the cell shaded cube I tried it on my character and when duplicating the character when I try to scale it up it scales it upwards as appose to every direction.
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Is there a way to do this? p.s I am new to blender.
The Scale operation works in relation to the object origin - so for a cube with the origin placed at the centre you get the desired effect - ie, you end up with a larger cube with faces parallel to the original and at a consistent distance. 

For more complicated models this same technique does not work as you have found. One solution (depending on your mesh) is to use a Solidify modifier with a negative Thickness. 



Another option (if the Solidify doesn't produce useful results) is to duplicate the original mesh and use a Shrinkwrap modifier on the duplicate, set with the original mesh as the Target. Set mode to Project and adjust the Offset for the thickness.