3-D polypropylene spiral modeling in Solidworks

[swrookie2012]

I am want to model a 3-D spiral. I'm reverse engineering and it is a 12in disk that I have cut a spiral into so that when you hold the middle, the weight expands it to form a 3-D helix.

I have attached a picture:

http://files.engineering.com/getfil...4-9dd3-44a0-8007-be3e34a89e34&file=Spiral.jpg

I have the file in disk form, but I do not know how to expand it - can that be done in assembly?

Thank you.

 

[kellnerp]

It starts out as a flat disk then model it as a flat disk and apply a gravity load.

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