Here's a quick CD model, in OBJ form.  (It's loaded as TXT here.... download and change its name to CD.OBJ before using.)

The inner part (usually transparent) and outer part are separate material zones. 

Dimensions are accurate in scale:  If you make the outer diameter 5 inches,
the hole will be 0.5 inch, and the inner part will be 1.5 inches diameter.  

Use UVmapper to output a template. (It's already mapped in planar two-sided form.)

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