flatten the 3d model to its desired view.. there should be some sort of export to EPS..which will enable you to use the vector points already on the model in an Vector program.
But then that depends on the complexity of hte 3d model.. u may have to do separate exports of each 3d object in a...
u need to make your document CMYK and choose from the cmyk pallate..
CYAN MAGENTA YELLOW (3 Colors ) and Black.
Some colors cannot be created with this combination, therfore special pigments(spot colors) are ordered just for that(very expensive)
so just choose an magenta yellow combination...
1. Dont use photoshop for logos.
2. The font you used doest match the graphic
3. You might consider less detail on the graphic.
4. Try placing the text on the right side.
-make the size of both text equal to the height of the graphic..
-Decrease the tracking on the second line...