Subversion Repositories group.electronics

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Rev Author Line No. Line
120 pfowler 1 
upper_display_h = 0;
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upper_knob_h = 12;
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scale([0.5, 0.5,1]) {
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union() {
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	difference() {
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		translate([0,0,upper_display_h + 0]) cylinder(upper_knob_h, 5.5, 5.5);
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union() {
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		translate([0,0,upper_display_h - 1]) cylinder(4, 3.5, 3.5);
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		difference() {
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		translate([0,0,upper_display_h + 3]) cylinder(7, 3.5, 3.5);
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		translate([-3.5, -3, upper_display_h + 3])cube([2, 6, 7]);
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		}
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}
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	}
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difference() {
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	union() {
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		translate([0,0,upper_display_h + 0]) {
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			difference() {
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				cylinder(upper_knob_h, 12, 10);
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				cylinder(upper_knob_h - 2, 10, 8);
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			}
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		}
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		difference() {
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			translate([0,0,upper_display_h - 4]) {
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				for ( i = [0:15] ) {
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					rotate (i*360/16, [0,0,1])
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						translate([4,-0.5,upper_display_h + 4]) cube([10,1,upper_knob_h]);
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				}
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			}
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			translate([0,0,upper_display_h - 1]) difference() {
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				cylinder(upper_knob_h + 2,20,18);
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				cylinder(upper_knob_h + 2,14,10);
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			}
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			translate([0,0,upper_display_h - 1]) difference() {
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				cylinder(upper_knob_h + 2,20,18);
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				cylinder(upper_knob_h + 2,13,13);
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			}
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		}
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	}
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	union() {
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		translate([0,0,upper_knob_h - 2]) {
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			difference() {
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				cylinder(5,22,9);
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				cylinder(5,12,3);
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			}
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		}
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	}
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	translate([0,0,upper_display_h-1]) cylinder(4, 3.5, 3.5);
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	difference() {
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		translate([0,0,upper_display_h+3]) {
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			cylinder(7, 3.5, 3.5);
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		}
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		translate([-3.5, -3, upper_display_h+3]) {
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			cube([2, 6, 7]);
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		}
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	}
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}
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}
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}