A Wave Spring Without Spline Sweeps

We often need pictorially accurate components.  Here is a method to model a wave spring using a wrap.  This model is good enough for our use but needs a little work on the tangencies at both ends.  It has a much faster rebuild time (0.62 sec) than spline sweeps.  The wrap sketch has numerous relations that could be done differently to make it more stable but again, works for us.

SolidworksModeling And Assemblies