I've seen tutorials for creating cycloidal or epicycloidal using SolidWorks & Blender. Can anyone tell me where to find a tutorial or instructions on how to do this with CREO 2.0?
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I'd use the curve by equation feature. Then you can trace the curve entities in your sketch...
Equations for Curves (and more)
Or this one: http://mathworld.wolfram.com/Epicycloid.html
Here's an example in Creo 2.0:
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You'll probably also want to construct one lobe and pattern if you're looking to create a solid. You may also need to adjust the angle used in the equations.