initial version

Printed-Parts/scad/LCD-knob.scad

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+// PRUSA iteration3
+// LCD Knob
+// GNU GPL v3
+// Josef Průša <iam@josefprusa.cz> and contributors
+// http://www.reprap.org/wiki/Prusa_Mendel
+// http://prusamendel.org
+
+difference () {
+
+// main body
+
+translate([0,0,0]) rotate(a=[0,0,0]) cylinder(h = 7.5, r1=10, r=7.25, $fn=60);
+
+translate([0,0,20]) rotate(a=[0,0,0]) sphere(14);
+
+// knob cutout
+translate([0,0,-0.1]) rotate(a=[0,0,0]) cylinder(h = 4.6, d=6.1, $fn=60);
+    
+translate([0,0,-0.1]) rotate(a=[0,0,0]) cylinder(h = 0.6, d1=7.1, d2=6.1 , $fn=30); 
+    
+translate([0,0.75,-0.1]) rotate(a=[0,0,-90]) cube([1.5,5.3,4.6]);
+
+// first layer correction
+union () {
+
+difference (){    
+translate([0,0,-0.1]) rotate(a=[0,0,0]) cylinder(h = 2,d1= 11.5, d2=10.5, $fn=60);
+translate([0,0,-0.15]) rotate(a=[0,0,0]) cylinder(h = 2,d1= 9.5, d2=10.5, $fn=60);
+translate([0,0,1]) rotate(a=[0,0,0]) cylinder(h = 2,d= 13, $fn=30);
+    translate([-13.5,-6,-0.1]) rotate(a=[0,0,0]) cube([10,12,4.6]);
+}
+}      
+    
+
+difference () {
+
+translate([0,0,-0.1]) rotate(a=[0,0,0]) cylinder(h = 4.6, d=11, $fn=60);
+translate([0,0,-0.1]) rotate(a=[0,0,0]) cylinder(h = 4.6, d= 10, $fn=60);
+translate([-13.5,-6,-0.1]) rotate(a=[0,0,0]) cube([10,12,4.6]);
+    
+    }    
+    
+    
+    
+    }
+
+// handle
+ 
+difference () {
+
+translate([-2.1,6.5,0]) rotate(a=[0,0,0]) cube([4.2,12,7.5]);
+translate([-2.5,15,7.7]) rotate(a=[-67,0,0]) cube([5.5,11,7.5]);
+translate([-2.2,18.22,-0.1]) rotate(a=[0,0,0]) cube([4.4,12,0.21]);    
+    
+}
+