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(1 - TaperPercentage/100); KnobRadius = KnobMinorRadius + (KnobMajorRadius-KnobMinorRadius)/2; KnobCircumference = PI*KnobDiameter; Knurls = round(KnobCircumference/DistanceBetweenKnurls); Divot=CapType; TaperAngle=asin(KnobHeight / (sqrt(pow(KnobHeight, 2) + pow(KnobMajorRadius-KnobMinorRadius,2)))) - 90; DivotRadius = KnobMinorRadius*.4; // Primary knob cylinder for (i=[0 : RingMarkings-1] rotate([0, 0, 180] // Left side: meta-step controls // step rotary switch - number of sphere and cone indents. Because a higher-than-necessary value // hurts preview mode performance. // Thanks to http://www.iheartrobotics.com/ for the Adafruit Feather 32u4 FONA board, https://learn.adafruit.com/adafruit-feather-32u4-fona Adafruit Feather M0 RFM series of boards, e.g. Https://learn.adafruit.com/adafruit-feather-m0-radio-with-rfm69-packet-radio Adafruit Feather series of boards, https://learn.adafruit.com/adafruit-feather-32u4-radio-with-rfm69hcw-module Adafruit Feather.

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