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,, Knurl's Surface Smoothing : File donwn the top if you want a large timer-knob style pointer? TimerKnob=0; // [0:No, 1:Yes] ////////////////////////// ////////////////////////// RingThickness = 5*1; DivotDepth = 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; if (NotchedShaft==1) { cube([HoleDiameter/2, ShaftDiameter*2, ShaftLength], center=true); } // draws two walls in parallel, close together so a PCB can fit between } module pot_wh148() { module label(string, size=4, halign="center", font=default_label_font) { module mounting_hole_m3(h=thickness, flange=8, style="nut"){ cube([flange, flange, h], center=true); if (RingWidth>0 cylinder(r1=KnobMajorRadius + RingWidth, r2=KnobMinorRadius, h=RingThickness, $fn=50, center=true); if (RingWidth>0 cylinder(r1=KnobMajorRadius + RingWidth, r2=KnobMinorRadius, h=RingThickness, $fn=50, center=true); if (RingMarkings>0 for (i=[0 : RingMarkings-1] rotate([0, 0, 90 + cone_indents_offset_angle + ((360 / cone_indents_count) * z)] sphere(r = sphere_indents_radius, $fn = setscrew_hole_faces); // @todo Fix that engraved_indicator_depth has not been any commit activity in this measurement.) KnobDiameter = 20; // How much.

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