Hi Italo, those picture's are hard to get, I have a few on my pc but best is to take a look at this work of art, there you also can find some rollers maybe you can use for your drawings.
Ford GT40 3D Model by Luis Nieves (Making Of)
example
its from Luis Nieves, the mark 1, you can also find some of that here on gt40s.com or on the web from him.
more to choose from him, here>>
Luis Nieves CGArt Works
this is such drawing too...amazing>