Spinner for R/C model folding prop (e.g. MPX Merlin)

Spinner for R/C model folding prop (e.g. MPX Merlin)

thingiverse

R/C model spinner cap featuring a 2-blade folding propeller, expertly crafted in OPENSCAD using a parametric procedural generator that yields a hyperbolic shape. With dimensions perfectly suited to the MPX Merlin (and even adaptable with slight modifications for use with an Alu central prop hub), this design also effortlessly adapts to the MPX Easyglider and my very own Cularis, with only minor tweaks needed to optimize fit. To create a more realistic appearance, the hyperbolic shape can be tailored by adjusting its exponent value from 1.0 (linear cone-like profile) up to 2.0 (perfectly rounded sphere-like design), and after experimenting, I found an exponent of 1.7 yields exceptional results for this particular type of glider. If you're feeling adventurous, take some liberties with the parameters!

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