EFX Spinner - for bigger prop

Update:
I had a couple of these spinner fail at high RPM. (A thin part of the cone around the prop cutout would break off. That's on me, not the original designer, because I changed that when I enlarged the cutout.) I've updated the model with some reinforcement. The new, stronger model is
EFXSpinnerConeBigPropR4.stl

(I'd recommend NOT using EFXSpinnerConeBigPropR1.stl, but I've left it here in case someone needs it.)

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Nice original spinner design. I remixed the spinner to make