Collection

3D Printing/Pot_Knobs/knob_docs.scad

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+/* [Basic] */
+//Diametre du bouton
+Knob_Diameter=13; //[10:30]
+//Hauteur du bouton
+Knob_Height=15;//[10:20]
+//Longueur de l'axe
+Axis_Lenght=10;//[5:15]
+//Arrondis
+Rounded=2;//[1:3]
+//Ajustement
+Ajustment=0.2;//[0,0.1,0.2,0.3]
+/* [Hidden] */
+$fn=50;
+
+difference() {
+  union() {
+      // body
+      cylinder(r=Knob_Diameter/2,h=Knob_Height-Rounded);
+      // cap inner bit
+      translate([0,0,Knob_Height-Rounded]) cylinder(r=Knob_Diameter/2-Rounded,h=Rounded);
+      // cap rounded (donut)
+      translate([0,0,Knob_Height-Rounded]) rotate_extrude(convexity = 10) translate([Knob_Diameter/2-Rounded,0,0])  circle(r=Rounded);
+  }
+  // indicator
+  translate([0,0,Knob_Height]) rotate([-90,0,0]) cylinder(r=0.5,h=Knob_Diameter/2);
+  translate([0,0,Knob_Height]) sphere(r=0.5);
+
+  // knurl grooves
+  for (i=[22.5:45:360]) translate([(Knob_Diameter+0.6)*sin(i)/2,(Knob_Diameter+0.6)*cos(i)/2,3]) cylinder(r=0.7,h=Knob_Height);
+
+  difference() {
+      // hole
+      translate([0,0,2]) cylinder(r=3.1+Ajustment,h=Axis_Lenght-2);
+      // key insert
+      translate([-5,-6.6-Ajustment,2]) cube([10,5,Axis_Lenght-2]);
+  }
+
+  difference() {
+      translate([0,0,-1]) cylinder(r=3+Ajustment,h=3);
+      translate([-5,-6.5-Ajustment,0]) cube([10,5,Axis_Lenght-2]);
+  }
+}