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Creo 8: How to model a Flexible Helical Tension Spring which changes its length Based on Assembly change


New member
Hello Everyone,
Im trying to make a stand design. I would like to model a flexible helical spring with ends being a semicircle in section.
I can do a simple springs with no ends.
I am not sure how to model the ends since when the length changes the Ends fail.
Please guide me.