Subversion Repositories group.electronics

upper_display_h = 0;

upper_knob_h = 12;

scale([0.5, 0.5,1]) {
union() {

        difference() {
                translate([0,0,upper_display_h + 0]) cylinder(upper_knob_h, 5.5, 5.5);
                
union() {
                translate([0,0,upper_display_h - 1]) cylinder(4, 3.5, 3.5);
                difference() {
                translate([0,0,upper_display_h + 3]) cylinder(7, 3.5, 3.5);
                translate([-3.5, -3, upper_display_h + 3])cube([2, 6, 7]);
                }
}
        }

difference() {
        union() {

                translate([0,0,upper_display_h + 0]) {
                        difference() {
                                cylinder(upper_knob_h, 12, 10);
                                cylinder(upper_knob_h - 2, 10, 8);
                        }
                }

                difference() {
                        translate([0,0,upper_display_h - 4]) {
                                for ( i = [0:15] ) {
                                        rotate (i*360/16, [0,0,1])
                                                translate([4,-0.5,upper_display_h + 4]) cube([10,1,upper_knob_h]);
                                }
                        }

                        translate([0,0,upper_display_h - 1]) difference() {
                                cylinder(upper_knob_h + 2,20,18);
                                cylinder(upper_knob_h + 2,14,10);
                        }
                        translate([0,0,upper_display_h - 1]) difference() {
                                cylinder(upper_knob_h + 2,20,18);
                                cylinder(upper_knob_h + 2,13,13);
                        }

                }

        }

        union() {
                translate([0,0,upper_knob_h - 2]) {
                        difference() {
                                cylinder(5,22,9);
                                cylinder(5,12,3);
                        }
                }
        }

        translate([0,0,upper_display_h-1]) cylinder(4, 3.5, 3.5);
        difference() {
                translate([0,0,upper_display_h+3]) {
                        cylinder(7, 3.5, 3.5);
                }
                translate([-3.5, -3, upper_display_h+3]) {
                        cube([2, 6, 7]);
                }
        }
}
}
}