Add X-Pack 18 battery lid

desk-control.scad

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+$fn=50;
+
+include <BOSL/constants.scad>
+use <BOSL/math.scad>
+use <BOSL/transforms.scad>
+
+depth = 1;
+faceplate_angle = 20;
+
+keys = 4;               // Number of key switches
+key_width = 20;         // With of a square keycap
+key_gap = 2;            // Expands the key cutout in each direction
+key_distance = 5;       // Spacing between keys
+dial_diameter = 20;     // Diameter of the dial, used for spacing
+dial_post_diameter = 7; // Diameter of the post passing through the faceplate
+dial_gap = 2;           // Expands the dial cutout in each direction
+dial_distance = 20;     // Space between the dial and the keypad
+
+faceplate_margin = 20;
+
+key_cutout_width = key_width + (key_gap * 2);
+keys_width = (key_cutout_width * keys) + (key_distance * (keys - 1));
+faceplate_width = sum([faceplate_margin,
+                       dial_diameter,
+                       dial_distance,
+                       keys_width,
+                       faceplate_margin]);
+faceplate_interfaceplate_height = max(key_width, dial_diameter);
+faceplate_height = faceplate_interfaceplate_height + (faceplate_margin * 2);
+
+module faceplate() {
+
+  difference() {
+    cube([faceplate_width, faceplate_height, depth]);
+
+    translate([faceplate_margin, faceplate_margin, -1]) {
+      translate([dial_diameter / 2,
+                 dial_diameter / 2,
+                 0]) {
+        cylinder(d=dial_post_diameter + dial_gap, h=depth + 2);
+      }
+      translate([dial_diameter + dial_distance, 0]) {
+        xspread(spacing=key_cutout_width + key_distance, n=keys, sp=[0,0,0]) {
+          cube([key_cutout_width, key_cutout_width, depth + 2]);
+        }
+      }
+    }
+  }
+}
+
+rotate([90 - faceplate_angle,0,0])
+faceplate();

x-pack-18-battery.scad

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+$fn=50;
+
+dims = [74, 24.5, 6.3];
+
+module screwpost(h) {
+  //  2.7d, 3.5h over lip
+  difference() {
+    cylinder(d=2.7, h=h);
+    cylinder(d=1.7, h=h);
+  }
+}
+
+union() {
+  difference() {
+    union() {
+      cube(dims);
+      // outer lock
+      translate([0, -2.5, 1]) {
+        difference() {
+          cube([6, 29.5, 3]);
+          translate([1, 1.5, 1.01])
+            cube([6, 26.5, 2]);
+        }
+      }
+      // center fins
+      translate([39.7, -2.25, 1])
+        cube([6.8, 29, 1]);
+    }
+    // inside
+    translate([1,1,1])
+      cube(dims - [2,2,0]);
+    // lip
+    translate([0.5,0.5,dims.z - 1])
+      cube(dims - [1, 1, 0]);
+    // pcb slot
+    translate([dims.x - 3.7, 0.5, 1])
+      cube([2.7, dims.y - 1, dims.z]);
+  }
+  // battery connector lip
+  translate([dims.x - 1, dims.y - 10, 0])
+    cube([1,6.7,8]);
+
+  translate([3.35, 3.35, 0])
+    screwpost(10.25);
+  translate([3.35, dims.y - 3.35, 0])
+    screwpost(10.25);
+
+  translate([dims.x - 3.35 - 2.7, 3.35, 0])
+    screwpost(8);
+  translate([dims.x - 3.35 - 2.7, dims.y - 3.35, 0])
+    screwpost(8);
+}