Lily Impeller
thingiverse
A while back I stumbled upon the "Lily impeller", a impeller patented and designed by Jayden David Harman to circulate water: [patents.google.com/patent/US7862302](https://patents.google.com/patent/US7862302) A ingenious design that is a real modeling challenge. So as a challenge for myself, I modeled an impeller afther the photo of the prototype impeller. It's a little different of course, but I'd like to share the result anyway. Also I resin printed it (at half the scale) and tested it in a glass jar, and it works very well! The stl model is 13,5cm high and the hole is 4mm in diameter. I also modeled a three bladed version wich I didnt test yet.
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