Easiest way to model gearwheel?

What would be the easiest way to model gearwheel? Please see the picture. The teeth on an angle concerns me most. Thanks

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2 Answers

Here is another method
Draw face of gear on one plane make block
new plane offset to first plane
Insert block
Rotate block required degree
Loft between sketches
Use selection manager to select closed loops
Optional step new 3D drawing
Draw line between sketches for alignment

 
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