The picture besides being the couple from worm gear that is worm wheel. To make his teeth I used the order cut sweep with before made path helix that followed the flow from worm gear.
To draw worm gear, the ordered almost same like when you drew the Bolt and the Nut. With used helix and cut sweep to make the appearance of this teeth. You must determine this module before. To the explained you could see profile worm gear to the picture below:
In this lesson you will learn how to extrude sketch of circle, how to create revolved cut, using swept boss/base with "twist along part" and without "merge result", how to mirror of cut extrude, and combine of 2 (two) solid bodies.
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In Part 2 of Bottle model, I add Lofted Boss in base of bottle with make new plane vertically down 2,9mm. For the new sketch, I offset base the contour of bottle to 1,5mm. After lofted boss was succeed, I make dome in base of bottle 2mm inside. For more detailed, I show you in video tutorial below. Good see.
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