Pretty good piggy

case/Makefile

@@ -1,4 +1,4 @@
-default: adapter-case.stl
+default: adapter-case.stl adapter-lid.stl
 
 %.stl: %.scad
 	openscad -o $@ $<

case/adapter-case.scad

@@ -14,6 +14,13 @@ module stacker() {
     }
 }
 
+module lid() {
+    intersection() {
+        import("seeed_xaio_case.stl", convexity=3);
+        cube([30, 30, 4], center=true);
+    }
+}
+
 module trs_support() {
     intersection() {
         cube([12, 25, 12], center=true);
@@ -21,6 +28,13 @@ module trs_support() {
     }
 }
 
+module pig_ear() {
+    intersection() {
+        cylinder(h=4, r1=2, r2=1, center=true);
+        translate([0, -10, 0]) cube([20, 20, 20]);
+    }
+}
+
 difference() {
     union() {
         import("seeed_xaio_case.stl", convexity=3);
@@ -34,6 +48,7 @@ difference() {
         translate([0, 0, 15.0]) stacker();
         translate([0, 0, 17.5]) stacker();
         translate([0, 0, 20.0]) stacker();
+        translate([0, 0, 23]) lid();
 
         // Add some support for inserting the TRS plug
         intersection() {
@@ -41,29 +56,65 @@ difference() {
                 translate([13, 10, 16]) rotate(60, [0, 0, 1]) trs_support();
                 translate([13, -10, 16]) rotate(-60, [0, 0, 1]) trs_support();
             }
-            cube([22.5, 18, 60], center=true);
+            cube([21.8, 19, 60], center=true);
+        }
+
+        // Shelf for board to rest against
+        difference() {
+            translate([-8, 0, 9.2]) cube([6, 19, 1], center=true);
+            translate([-6, 0, 9.2]) rotate(45, [0, 0, 1]) cube(15, center=true);
+        }
+
+        // Pig Parts
+        translate([-12, 4, 22]) sphere(r=1.3);
+        translate([-12, -4, 22]) sphere(r=1.3);
+        if (false) {
+            translate([-8, 5, 25]) pig_ear();
+            translate([-8, -5, 25]) pig_ear();
         }
     }
 
-    // Carve out above USB C port
+    // Pig grin
-    translate([10, -4.79, 4.79]) cube([5, 9.58, 3]);
-
-    // Carve out space to slide the XIAO in
     intersection() {
-        translate([10, 0, 10]) cube([10, 18.36, 8], center=true);
+        translate([0, 0, 15]) rotate(90, [0, 1, 0]) {
-        translate([10, 0, 6]) rotate(45, [1, 0, 0]) cube(15, center=true);
+            difference() {
+                cylinder(h=50, d=20, center=true);
+                cylinder(h=50, d=19, center=true);
+            }
+        }
+        translate([-18.7, 0, 0]) cube(7);
     }
 
-    // Hookup wire
+    // Cut off the bottom
-    translate([0, 0, 9.5]) cube([1, 30, 0.8], center=true);
+    cube([30, 30, 4.01], center=true);
 
-    // 8-32x 1/4 screws
+    // Channel in the back to make it easier to squeeze in the XIAO
-    translate([0, 0, 12]) rotate(90, [1, 0, 0]) cylinder(h=30, d=4.0, center=true);
+    translate([-4.5, 0, 7.6]) intersection() {
+        cube([13, 18.3, 1.8], center=true);
+        cylinder(d=21, h=300, center=true);
+    }
+
+    // Channels for bottom insertion part thingy
+    translate([0, 0, 3.6]) cube([17, 18.8, 1.2], center=true);
+
+    // Carve out above USB C port
+    translate([10, -4.79, 0]) cube([5, 9.58, 5]);
+
+    // Paddle contacts
+    translate([0, 0, 12]) {
+        // 8-32x 1/4 screws
+        rotate(90, [1, 0, 0]) cylinder(h=30, d=4.0, center=true);
+
+        // Hookup wire
+        translate([0, 0, -2.5]) cube([1, 30, 0.8], center=true);
+    }
 
     // 3.5mm TRS jack
     translate([10, 0, 18]) rotate(90, [0, 1, 0]) cylinder(h=3, d=6.0);
 
     // Piezo buzzer
-    translate([-12, 3.5, 15]) cube([5, 1, 1], center=true);
+    translate([0, 0, 13]) {
-    translate([-12, -3.5, 15]) cube([5, 1, 1], center=true);
+        translate([-12, 3.5, 0]) cube([5, 1, 1], center=true);
+        translate([-12, -3.5, 0]) cube([5, 1, 1], center=true);
+    }
 }

case/adapter-lid.scad

@@ -0,0 +1,20 @@
+// Make circles lovely and round
+$fa = 1; $fs = 0.5;
+
+module fancycube(vec, h) {
+    translate([r / 2, r / 2, 0]) {
+        difference() {
+            cube([r + 0.01, r + 0.01, h], center = true);
+
+            translate([r/2, r/2, 0])
+                cylinder(r = r, h = h + 1, center = true);
+
+        }
+    }
+}
+
+union() {
+    translate([0, 0, 11]) rotate(180, [1, 0, 0]) import("seeed_xaio_lid.stl", convexity=3);
+    translate([2, -4.5, 0]) cube([8, 9, 4]);
+    fillet(200, 1);
+}

case/adapter-lid.stl

@@ -0,0 +1,86 @@
+solid OpenSCAD_Model
+  facet normal -1 0 0
+    outer loop
+      vertex 2 -4.5 0
+      vertex 2 4.5 4
+      vertex 2 4.5 0
+    endloop
+  endfacet
+  facet normal -1 -0 0
+    outer loop
+      vertex 2 4.5 4
+      vertex 2 -4.5 0
+      vertex 2 -4.5 4
+    endloop
+  endfacet
+  facet normal 1 -0 0
+    outer loop
+      vertex 10 -4.5 4
+      vertex 10 4.5 0
+      vertex 10 4.5 4
+    endloop
+  endfacet
+  facet normal 1 0 0
+    outer loop
+      vertex 10 4.5 0
+      vertex 10 -4.5 4
+      vertex 10 -4.5 0
+    endloop
+  endfacet
+  facet normal -0 0 1
+    outer loop
+      vertex 2 4.5 4
+      vertex 10 -4.5 4
+      vertex 10 4.5 4
+    endloop
+  endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex 10 -4.5 4
+      vertex 2 4.5 4
+      vertex 2 -4.5 4
+    endloop
+  endfacet
+  facet normal 0 1 -0
+    outer loop
+      vertex 10 4.5 0
+      vertex 2 4.5 4
+      vertex 10 4.5 4
+    endloop
+  endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex 2 4.5 4
+      vertex 10 4.5 0
+      vertex 2 4.5 0
+    endloop
+  endfacet
+  facet normal 0 0 -1
+    outer loop
+      vertex 2 -4.5 0
+      vertex 10 4.5 0
+      vertex 10 -4.5 0
+    endloop
+  endfacet
+  facet normal -0 0 -1
+    outer loop
+      vertex 10 4.5 0
+      vertex 2 -4.5 0
+      vertex 2 4.5 0
+    endloop
+  endfacet
+  facet normal 0 -1 0
+    outer loop
+      vertex 2 -4.5 0
+      vertex 10 -4.5 4
+      vertex 2 -4.5 4
+    endloop
+  endfacet
+  facet normal 0 -1 -0
+    outer loop
+      vertex 10 -4.5 4
+      vertex 2 -4.5 0
+      vertex 10 -4.5 0
+    endloop
+  endfacet
+endsolid OpenSCAD_Model