Hi Don,
Problems start to arise when trying to match separate surfaces through whatever various methods, and tangent transitions are required.
With NURBS geometry and MoI it is best as Michael has pointed out to "think whole-istically".
Or to try to achieve as much of the overall shape as possible with one tool action.
If not, then you are forced to find ways to blend surfaces while maintaining tangents, while also charged with avoiding construction methods that create those ugly pinched and bunched areas common with Revolving.
Speaking of tangent surfaces, the Blend tool would be perfect -
In this pic, I used a Loft to create the body of the iron and used Extrude to form a tangent reference surface needed for the Blend tool to go from.
Mirror the new Blend and Loft combination over and join everything together.
By the way Don, really nice iron model! I dig that kind of modeling.
Mike
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