OpenSCAD version of case.

Minor changes were made between this version and the final version. This earlier version is available via Shapeways, at https://www.shapeways.com/product/EGG3EWPAY/portapack-h1-case-round-20150410-0945

Addresses issue #30.

hardware/portapack_h1/case/pp_h1_case_2.scad

@@ -0,0 +1,80 @@
+use <pp_h1_shell.scad>
+//use <pp_h1_holes.scad>
+use <pp_h1_stack.scad>
+include <pp_h1_parameters.scad>
+
+module case() {
+    difference() {
+        if( case_radiused ) {
+            case_outer_volume_radiused();
+        } else {
+            case_outer_volume_squared();
+        }
+        
+        union() {
+            if( case_radiused ) {
+                case_bottom_void_tool_volume_ball();
+            } else {
+                case_bottom_void_tool_volume_end();
+            }
+            
+            case_pcb_plane_void_tool_volume();
+            pcb_attach_drills_volume();
+            case_bumpers_emboss();
+            translate([0, 0, h1_pcb_thickness]) portapack_h1_stack_drills();
+        }
+    }
+}
+
+/* Cross section */
+module case_cross_section() {
+    difference() {
+        case();
+        translate([70, -10, -10]) cube([100, 100, 100]);
+    }
+}
+
+module case_and_h1() {
+    case();
+    translate([0, 0, h1_pcb_thickness]) hackrf_one();
+}
+
+module case_and_stack() {
+    case();
+    translate([0, 0, h1_pcb_thickness]) portapack_h1_stack();
+}
+
+module stack_case_interference() {
+    intersection() {
+        case();
+        translate([0, 0, h1_pcb_thickness]) portapack_h1_stack();
+    }
+}
+
+module stack_stack_interference() {
+    // Ensure stack and spacers do not interfere.
+    intersection() {
+        union() {
+            portapack_h1_stack_hackrf_one();
+            portapack_h1_stack_portapack();
+        }
+        portapack_h1_stack_spacers();
+    }
+    
+    // Ensure screws do not interfere with stack.
+    intersection() {
+        union() {
+            portapack_h1_stack_hackrf_one();
+            portapack_h1_stack_spacers();
+            portapack_h1_stack_portapack();
+        }
+        portapack_h1_stack_screws();
+    }
+}
+
+case();
+//case_and_h1();
+//case_and_stack();
+//case_cross_section();
+//stack_case_interference();
+//stack_stack_interference();