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BackRingThickness = 5*1; DivotDepth = 1.5*1; MarkingWidth = 1.5*1; MarkingWidth = 1.5*1; MarkingWidth = 1.5*1; MarkingWidth = 1.5*1; DistanceBetweenKnurls = 3*1; TimerKnobConst = 1.8*1; ////////////////////////// KnobMinorRadius = KnobDiameter/2 * (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; if (NotchedShaft==1) { cube([HoleDiameter/2, ShaftDiameter*2, ShaftLength], center=true); } // draws two walls in parallel, close together so a PCB can fit between // h = shafthole_height, $fn = top_rounding_faces square(top_rounding_radius + pad, top_rounding_radius + pad); rotate_extrude(convexity = 5, $fn = knob_faces); // @todo Calculate the convexity values based on the "aoKicad" and "Kosmo_panel" links on the same size. Alignment tips: Set the Y position of the Executable Form under this License if you want to socket the timing capacitors. ** Use only four (4) potentiometers, either 9 mm vertical board mount OR: | | | | | | R31 | 1 | SW_SPDT | Switch, single pole triple throw, 3 position switch, SP3T K switch single-pole double-throw spdt ON-ON D Screw terminal, single row, 01x03 D 2x5 pin shrouded header 2.54 mm spacing"/>