more designs

ac_bus_mount_2.scad

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+width = 140;
+height = 85;
+
+diameter = 120;
+shape_length = 50;
+vent_length = 18;
+
+wall_thickness = 3;
+
+$fn = 100;
+
+module squareToCircle(width, height, length, diameter, ovalfactor) {
+    ovalf_h = 1.15;
+    ovalf_w = 0.70;
+    hull(){
+        rotate([90,0,0])
+        linear_extrude(1)
+        square(size=[width, height], center=true);
+
+        translate([0, length])
+        rotate([90,0,0])
+        linear_extrude(1)
+        scale([ovalf_h, ovalf_w, 1])
+        circle(r=diameter/2);
+    }
+    translate([0, length+10, 0])
+    rotate([90, 0, 0])
+    linear_extrude(10)
+    scale([ovalf_h, ovalf_w, 1])
+    circle(r=diameter/2);
+}
+
+module hollowStoC(width, height, length, diameter, ovalfactor, wall_thickness){
+    difference(){
+        squareToCircle(width, height, length, diameter, ovalfactor);
+        translate([0, -0.005, 0])
+        squareToCircle(width-2*wall_thickness, height-2*wall_thickness, length+0.01, diameter-2*wall_thickness, ovalfactor);
+    }
+}
+
+module squareHole(width, height, length, wall_thickness) {
+    translate([0, -length/2-1, 0])
+    rotate([90, 0, 0])
+    difference(){
+        cube(size=[width, height, length], center=true);
+        cube(size=[width-2*wall_thickness, height-2*wall_thickness, length+0.01], center=true);
+    }
+}
+
+module diagonalPlate(width, length, thickness){
+    difference(){
+        rotate([-45, 0, 0])
+        cube(size=[width, length, thickness], center=true);
+        translate([0, -length*cos(45), 0])
+        cube(size=[width+3, length, 20], center=true);
+    }
+}
+
+module vent(width, height, length, wall_thickness) {
+    squareHole(width, height, length, wall_thickness);
+    translate([0, -length+1.1, 30])
+    diagonalPlate(width, 10, 2);
+    translate([0, -length+1.1, 15])
+    diagonalPlate(width, 10, 2);
+    translate([0, -length+1.1, 0])
+    diagonalPlate(width, 10, 2);
+    translate([0, -length+1.1, -15])
+    diagonalPlate(width, 10, 2);
+    translate([0, -length+1.1, -30])
+    diagonalPlate(width, 10, 2);
+
+    translate([0, -length, 0])
+    rotate([90,0,0])
+    difference(){
+        cube(size=[width+15, height+15, 2], center=true);
+        cube(size=[width, height, 2.01], center=true);
+    }
+}
+
+hollowStoC(width, height, shape_length, diameter, 1, wall_thickness);
+vent(width, height, vent_length, wall_thickness);
+
+// translate([-120,0,0])
+// cube(size=[100, 250, 10], center=true);