How to project a Helix in a curved cylinder

I want to model a drinking water bottle, For making the grip on the bottle I want to project a Helix on that bottle surface, So that by using Sweep cut feature I can create the grip in spiral shape.
Please help.

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Here's a brief, simplified demonstration of how to create a spiral sweep path on a curved cylindrical surface:

Answered with a tutorial: How to project a Helix in a curved cylinder

 
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