Heli Pitch Blades - Witmotion
thingiverse
RC Heli Pitch Gauge Blades - designed to hold the witmotion sensor as per this guide:https://medium.com/rc-soaring-digest/make-your-own-bluetooth-rc-throwmeter-14cd040d5b30If the size you need is not present - use the customizer and enter your blade root size in mm.
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