Modeling a lever handle
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Author: Coy Qiu
Coy is among one of my friends. He has been kind enough to share his experience. Thanks for that.
Cocket handle tutorial. (Rhino tutorial)


*Draw a flat spiral.
*As shown in Figure, add 2 lines to both ends

*sweep1, select spiral as the rail curve

*Sweep 2

*extend the edge to the center

*Creates a surface by revolving the extended curve.

*split the shape.

*Done.
It would be so good to explain how to fillet this as well
You can do it if you try.