model/common.scad

@@ -5,9 +5,73 @@ BASE_MODEL_TRANSLATE = [-0.4, 0, 16.978];
 EPS = 0.01;
 $fn = 50;
 
-module main_display() {
+module pin_header(cols = 4, rows = 1, anchor = BOTTOM, spin = 0, orient = UP) {
-  // Outer dimensions, height currently unknown
+  // Standard pin header dimensions (in mm)
-  cube([55.04, 89.3, 10]);
+  base_height = 2.54; // Height of the plastic base
+  pin_width = 0.64; // Width/thickness of the square pin
+  pin_length = 6.0; // Length of pin sticking up
+  pitch = 2.54;
+
+  // 1. The Plastic Base is the Parent
+  // It directly receives your anchor, spin, and orient arguments.
+  color("darkgrey")
+    cuboid([cols * pitch, rows * pitch, base_height], anchor=anchor, spin=spin, orient=orient) {
+
+      // 2. Metal Pins are the Children
+      // Placed relative to the center of the plastic base
+      color("silver")
+        xcopies(spacing=pitch, n=cols) {
+          ycopies(spacing=pitch, n=rows) {
+            up(base_height / 2)
+              cuboid([pin_width, pin_width, pin_length], anchor=BOTTOM);
+          }
+        }
+
+      // Allows attaching other objects to this header if needed
+      children();
+    }
+}
+
+module main_display(pin_header = false) {
+  // Outer dimensions
+  width = 55.04;
+  length = 89.35;
+  height = 2.7;
+
+  display_height = 3;
+  display_length = 77.6;
+  display_inset = 5.7;
+
+  sd_width = 26.6;
+  sd_height = 3;
+  sd_length = 16.6;
+  sd_inset = 29.4;
+
+  hole_diameter = 3;
+  hole_inset = 1.5;
+
+  difference() {
+    cuboid([length, width, height]) {
+      position(TOP + RIGHT)
+        left(display_inset)
+          color("black")
+            cuboid([display_length, width, display_height], anchor=BOTTOM + RIGHT);
+
+      position(BOTTOM + RIGHT + FRONT)
+        left(sd_inset)
+          cuboid([sd_width, sd_length, sd_height], anchor=TOP + RIGHT + FRONT);
+
+      position(TOP + LEFT)
+        pin_header(14, spin=90, anchor=BOTTOM + BACK);
+      //   pin_header();
+    }
+
+    xcopies(length - (2 * hole_inset) - hole_diameter) {
+      ycopies(width - (2 * hole_inset) - hole_diameter) {
+        zcyl(d=hole_diameter, h=height + EPS);
+      }
+    }
+  }
 }
 
 module pad() {
@@ -21,20 +85,21 @@ module secondary_display(pin_header = false) {
   width = 20;
   height = 3.7;
 
-  pins_height = 11.3;
-  pins_width = 2.5; // width of socket, not pin
-
   hole_diameter = 2;
   hole_inset = 1.5;
 
   difference() {
-    cube([length, width, height]) if (pin_header)
+    cuboid([length, width, height]) {
-      position(LEFT + FRONT)
+      if (pin_header)
-        cube([pins_width, width, pins_height]);
+        position(LEFT + TOP)
+          pin_header(7, spin=90, anchor=BACK + BOTTOM);
+    }
 
-    move([length - hole_inset, width / 2, height / 2]) ycopies(width - (2 * hole_inset) - hole_diameter) {
+    right(length / 2 - hole_inset) {
-        cyl(d=hole_diameter, h=height + EPS, orient=UP, anchor=RIGHT);
+      ycopies(width - (2 * hole_inset) - hole_diameter) {
+        zcyl(d=hole_diameter, h=height + EPS, anchor=RIGHT);
       }
+    }
   }
 }