How to model this spring in SolidWorks???

I want to model this spring (part of machine drawing exercise) but can't figure out how to model the upper region

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3 Answers

I would model the main part of the spring and hook part as Swept boss/Base. For the transition section I would draw a 3D sketch and fit a spline curve between the ends (only one segment). Then set the control arrows of the spline as tangent to the centre lines of the existing segments and adjust their length to approximate to the drawing.

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This is what I did.. :P :P lot of rough sketches..

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