COSMETIC GROOVE IN CREO 3.0

have anyone got an idea what cosmetic tools in creo can do??
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Step 1: What is COSMETIC GROOVE?
This tool is same like Project where we can project a sketch on a curved model..
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Step 2: can secondary tools be used?
Yes, but only some of the secondary tools can be used.. for example pattern can be used
You cant make or generate a 3D model out of cosmetic sketches..
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Step 3: video tutorial