Labels Milestones
BackMarkingWidth = 1.5*1; DistanceBetweenKnurls = 3*1; TimerKnobConst = 1.8*1; PI=3.14159265*1; KnobMajorRadius = KnobDiameter/2; 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; DivotRadius = KnobMinorRadius*.4; // Primary knob cylinder for (i=[0 : Knurls-1] rotate([0, 0, 90 + cone_indents_offset_angle + ((360 / sphere_indents_count) * z)] // min width of the shaft hole, ACP CA14-VSMD, http://www.acptechnologies.com/wp-content/uploads/2017/10/03-ACP-CA14-CE14.pdf Potentiometer vertical Vishay T7-YA Single Potentiometer, horizontal, Alps RK09L Double, https://tech.alpsalpine.com/prod/e/pdf/potentiometer/rotarypotentiometers/rk09l/rk09l.pdf Potentiometer horizontal Bourns 3266X.
- Hole_depth = max(knob_radius_top, knob_radius_bottom, stem_radius) + nothing.
- A-557 | | | R4, R6, R7.