Simple model of SBus retainer

sbus-to-ztex/SBus_Retainer.scad

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+LENGTH = 77.8;
+WIDTH = 4;
+WIDTH2 = 2;
+HEIGHT = 19.3;
+THICKNESS = 2.5;
+THICKNESS2V = 4;
+THICKNESS2H = 2;
+PINHEIGHT_HOLE = 1.7;
+PINHEIGHT_THICK = 2;
+PINHEIGHT = PINHEIGHT_HOLE + PINHEIGHT_THICK;
+PIN_RADIUS = 3.6 / 2;
+PIN_INT_WIDTH = 1.6;		// .2 short for flat surface
+PINHOLE_OFFSET = 1.6;
+
+
+module
+body ()
+{
+  translate ([0, 0, -THICKNESS / 2]) cube ([LENGTH, WIDTH, THICKNESS],
+					   center = true);
+  translate ([0, 0, -THICKNESS / 2 - THICKNESS2V / 2]) cube ([LENGTH, WIDTH2,
+							      THICKNESS2V],
+							     center = true);
+  color("pink") translate ([+LENGTH / 2 - THICKNESS/2, 0, -HEIGHT / 2]) cube ([THICKNESS, WIDTH, HEIGHT],
+						  center = true);
+  color("pink") translate ([-LENGTH / 2 + THICKNESS/2, 0, -HEIGHT / 2]) cube ([THICKNESS, WIDTH, HEIGHT],
+						  center = true);
+  color("blue") translate ([+LENGTH / 2-THICKNESS-THICKNESS2H/2, 0, -HEIGHT / 2]) cube ([THICKNESS2H,
+							       WIDTH2,
+							       HEIGHT],
+							      center = true);
+  color("blue") translate ([-LENGTH / 2+THICKNESS+THICKNESS2H/2, 0, -HEIGHT / 2]) cube ([THICKNESS2H,
+							       WIDTH2,
+							       HEIGHT],
+							      center = true);
+}
+
+module
+pin_negative_hole() {
+    translate([0,0,PINHEIGHT/2-PINHEIGHT_HOLE/2])
+    difference() {
+    color ("purple") cylinder (r1 = 10, r2 = 10, h = PINHEIGHT_HOLE, center = true);
+    color("black") translate([-1.8,0,0]) cylinder (r1 = PIN_RADIUS, r2 = PIN_RADIUS, h = 2*PINHEIGHT_HOLE, center = true);
+    }
+}
+
+module
+pin_negative ()
+{
+  union ()
+  {
+    difference ()
+    {
+      union ()
+      {
+	color ("purple") cylinder (r1 = 10, r2 = 10, h = 10, center = true);
+      }
+      union ()
+      {
+	cylinder (r1 = PIN_RADIUS, r2 = PIN_RADIUS, h = 30, center = true);
+      }
+    }
+
+    color ("red") translate ([PIN_INT_WIDTH + 5, 0, 0]) cube ([10, 10, 10],
+							      center = true);
+    pin_negative_hole();
+  }
+}
+
+module
+pin ()
+{
+  translate([0,0,-PINHEIGHT/2])
+    difference ()
+  {
+    union ()
+    {
+      translate([0,0,0.0001]) color ("green") cylinder (r1 = PIN_RADIUS, r2 = PIN_RADIUS, h =
+				PINHEIGHT+0.0001, center = true);
+    }
+    pin_negative ();
+  }
+}
+
+module retainer() {
+    body();
+    translate([-LENGTH/2+PIN_RADIUS,0,-HEIGHT]) pin();
+    translate([+LENGTH/2-PIN_RADIUS,0,-HEIGHT]) rotate([0,0,180]) pin();
+}
+
+retainer();