Restructured enclosure project

enclosure/box.scad

@@ -0,0 +1,179 @@
+// Defines the box for the Fabula Open Source storyteller.
+// This is the box, without any cutout nor electronics components mount.
+
+// Global dimensions, change here
+width = 180;
+height = 90;
+depth = 40;
+screw_diameter = 3;
+
+// Internal global variables
+rounded_edge_diameter = height;
+box_cut_height = 10;
+flange_height = 3;
+standoff_diameter=screw_diameter*3;
+
+// Screw standoff
+module standoff() {
+    cylinder(h = depth, d = standoff_diameter, center = true);
+}
+
+// Screw hole, to be subtracted from standoff and box
+module screw_hole() {
+    // Hole where the screw will thread into
+    cylinder(h = depth - 2, d = screw_diameter, center = true);
+    // Hole where the screw will pass with slack, without threading (in the lid)
+    translate([0, 0, depth/2 - box_cut_height/2]) {
+        cylinder(h = box_cut_height + 12, d = screw_diameter*1.5, center = true);
+    }
+    // Screw head bevel
+    bevel_depth = 1;
+    translate([0, 0, depth/2 - bevel_depth/2 + 6]) {
+        cylinder(h = bevel_depth, d2 = screw_diameter * 2.5, d1 = screw_diameter*1.5, center = true);
+    }
+}
+
+
+// Main body
+module main_body() {
+    module half_body() {
+        cube([width - rounded_edge_diameter/2, height/2, depth]);
+        cylinder(h = depth, d = rounded_edge_diameter, $fn=256);   
+    }
+
+    union() {
+        translate([-(width - rounded_edge_diameter)/2, 0, -depth/2]) {
+            half_body();
+        }
+        translate([(width - rounded_edge_diameter)/2, 0, -depth/2]) {
+            mirror([1, 0, 0]) {
+                mirror([0, 1, 0]) {
+                    half_body();
+                }
+            }
+        }
+    }
+}
+
+// Closed Box
+module closed_box() {
+    difference() {
+        union() {
+            // Hollow box
+            difference() {
+                // Round all edges to avoid danger for the children
+                minkowski() {
+                    $fn = 64;
+                    main_body();
+                    sphere(6);
+                }
+                main_body();
+            }
+            
+            // Screws standoffs near curved edges
+            translate([width/2 - rounded_edge_diameter/2, -height/2, 0]) {
+                standoff();
+            }
+            translate([-width/2 + rounded_edge_diameter/2, height/2, 0]) {
+                standoff();
+            }
+            // Screws standoff near sharp edges
+            translate([-width/2 + standoff_diameter/2, -height/2, 0]) {
+                standoff();
+            }
+            translate([width/2 - standoff_diameter/2, height/2, 0]) {
+                standoff();
+            }
+        }
+        // Screw holes near curved edges
+        translate([width/2 - rounded_edge_diameter/2, -height/2, 0]) {
+            screw_hole();
+        }
+        translate([-width/2 + rounded_edge_diameter/2, height/2, 0]) {
+            screw_hole();
+        }
+        // Screws holes near sharp edges
+        translate([-width/2 + standoff_diameter/2, -height/2, 0]) {
+            screw_hole();
+        }
+        translate([width/2 - standoff_diameter/2, height/2, 0]) {
+            screw_hole();
+        }
+    }
+        
+}
+
+// Lower box
+module box() {
+    difference() {
+        closed_box();
+        translate([0, 0, depth - box_cut_height]) {
+            cube([width*2, height*2, depth], true);
+        }
+    }
+}
+
+// Upper cap lip
+module lip() {
+    // Lip support
+    translate([0, 0, box_cut_height + 5]) {
+        intersection() {
+            difference() {
+                main_body();
+                scale([0.95, 0.95, 0.95]) main_body();
+            }
+            
+            cube([width*2, height*2, box_cut_height], true);
+        }
+    }
+    
+    
+    // Chamfered lip
+    difference() {
+        for (i = [0:10]) {
+            translate([0, 0, box_cut_height - i * 0.5]) {
+                intersection() {
+                    difference() {
+                        scale_ratio = 1 - i * 0.001;
+                        scale([scale_ratio, scale_ratio, scale_ratio]) {
+                            main_body();
+                        }
+                        scale([0.95, 0.95, 0.95]) main_body();
+                    }
+                    
+                    cube([width*2, height*2, 0.5], true);
+                }
+            }
+        }
+        
+
+        // Leave space for screws standoffs near curved edges
+        translate([width/2 - rounded_edge_diameter/2, -height/2, 0]) {
+            scale([1.2, 1.2, 1]) standoff();
+        }
+        translate([-width/2 + rounded_edge_diameter/2, height/2, 0]) {
+            scale([1.2, 1.2, 1]) standoff();
+        }
+        // Leave space for screws standoff near sharp edges
+        translate([-width/2 + standoff_diameter/2, -height/2, 0]) {
+            scale([1.2, 1.2, 1]) standoff();
+        }
+        translate([width/2 - standoff_diameter/2, height/2, 0]) {
+            scale([1.2, 1.2, 1]) standoff();
+        }
+    }
+}
+
+// Upper cap
+module cap() {
+    difference() {
+        closed_box();
+        translate([0, 0, - box_cut_height]) {
+            cube([width*2, height*2, depth], true);
+        }
+    }
+    lip();
+}
+
+translate([0, -60, 0]) box();
+translate([0, 60, 0]) rotate([180, 0, 0]) cap();

enclosure/cutouts.scad

@@ -0,0 +1,2 @@
+// The cutouts to allow external components (such as buttons and connectors) to be mounted on the box
+

enclosure/fabula_enclosure.scad

@@ -1,180 +1,18 @@
+use <box.scad>
+use <supports.scad>
+use <cutouts.scad>
+
 // FABULA open source storyteller enclosure
 
 // TODO: open hardware logo, Fabula logo, cutouts for components and buttons, tag slot with led mount
 
-// Global dimensions, change here
+module fabula_enclosure_bottom() {
-width = 180;
+    cap();
-height = 90;
-depth = 40;
-screw_diameter = 3;
-
-// Internal global variables
-rounded_edge_diameter = height;
-box_cut_height = 10;
-flange_height = 3;
-standoff_diameter=screw_diameter*3;
-
-// Screw standoff
-module standoff() {
-    cylinder(h = depth, d = standoff_diameter, center = true);
 }
 
-// Screw hole, to be subtracted from standoff and box
+module fabula_enclosure_top() {
-module screw_hole() {
+    box();
-    // Hole where the screw will thread into
-    cylinder(h = depth - 2, d = screw_diameter, center = true);
-    // Hole where the screw will pass with slack, without threading (in the lid)
-    translate([0, 0, depth/2 - box_cut_height/2]) {
-        cylinder(h = box_cut_height + 12, d = screw_diameter*1.5, center = true);
-    }
-    // Screw head bevel
-    bevel_depth = 1;
-    translate([0, 0, depth/2 - bevel_depth/2 + 6]) {
-        cylinder(h = bevel_depth, d2 = screw_diameter * 2.5, d1 = screw_diameter*1.5, center = true);
-    }
 }
 
-
+translate([0, -60, 0]) rotate([180, 0, 0]) fabula_enclosure_bottom();
-// Main body
+translate([0, 60, 0]) fabula_enclosure_top();
-module main_body() {
-    module half_body() {
-        cube([width - rounded_edge_diameter/2, height/2, depth]);
-        cylinder(h = depth, d = rounded_edge_diameter, $fn=256);   
-    }
-
-    union() {
-        translate([-(width - rounded_edge_diameter)/2, 0, -depth/2]) {
-            half_body();
-        }
-        translate([(width - rounded_edge_diameter)/2, 0, -depth/2]) {
-            mirror([1, 0, 0]) {
-                mirror([0, 1, 0]) {
-                    half_body();
-                }
-            }
-        }
-    }
-}
-
-// Closed Box
-module closed_box() {
-    difference() {
-        union() {
-            // Hollow box
-            difference() {
-                // Round all edges to avoid danger for the children
-                minkowski() {
-                    $fn = 64;
-                    main_body();
-                    sphere(6);
-                }
-                main_body();
-            }
-            
-            // Screws standoffs near curved edges
-            translate([width/2 - rounded_edge_diameter/2, -height/2, 0]) {
-                standoff();
-            }
-            translate([-width/2 + rounded_edge_diameter/2, height/2, 0]) {
-                standoff();
-            }
-            // Screws standoff near sharp edges
-            translate([-width/2 + standoff_diameter/2, -height/2, 0]) {
-                standoff();
-            }
-            translate([width/2 - standoff_diameter/2, height/2, 0]) {
-                standoff();
-            }
-        }
-        // Screw holes near curved edges
-        translate([width/2 - rounded_edge_diameter/2, -height/2, 0]) {
-            screw_hole();
-        }
-        translate([-width/2 + rounded_edge_diameter/2, height/2, 0]) {
-            screw_hole();
-        }
-        // Screws holes near sharp edges
-        translate([-width/2 + standoff_diameter/2, -height/2, 0]) {
-            screw_hole();
-        }
-        translate([width/2 - standoff_diameter/2, height/2, 0]) {
-            screw_hole();
-        }
-    }
-        
-}
-
-// Lower box
-module box() {
-    difference() {
-        closed_box();
-        translate([0, 0, depth - box_cut_height]) {
-            cube([width*2, height*2, depth], true);
-        }
-    }
-}
-
-// Upper cap lip
-module lip() {
-    // Lip support
-    translate([0, 0, box_cut_height + 5]) {
-        intersection() {
-            difference() {
-                main_body();
-                scale([0.95, 0.95, 0.95]) main_body();
-            }
-            
-            cube([width*2, height*2, box_cut_height], true);
-        }
-    }
-    
-    
-    // Chamfered lip
-    difference() {
-        for (i = [0:10]) {
-            translate([0, 0, box_cut_height - i * 0.5]) {
-                intersection() {
-                    difference() {
-                        scale_ratio = 1 - i * 0.001;
-                        scale([scale_ratio, scale_ratio, scale_ratio]) {
-                            main_body();
-                        }
-                        scale([0.95, 0.95, 0.95]) main_body();
-                    }
-                    
-                    cube([width*2, height*2, 0.5], true);
-                }
-            }
-        }
-        
-
-        // Leave space for screws standoffs near curved edges
-        translate([width/2 - rounded_edge_diameter/2, -height/2, 0]) {
-            scale([1.2, 1.2, 1]) standoff();
-        }
-        translate([-width/2 + rounded_edge_diameter/2, height/2, 0]) {
-            scale([1.2, 1.2, 1]) standoff();
-        }
-        // Leave space for screws standoff near sharp edges
-        translate([-width/2 + standoff_diameter/2, -height/2, 0]) {
-            scale([1.2, 1.2, 1]) standoff();
-        }
-        translate([width/2 - standoff_diameter/2, height/2, 0]) {
-            scale([1.2, 1.2, 1]) standoff();
-        }
-    }
-}
-
-// Upper cap
-module cap() {
-    difference() {
-        closed_box();
-        translate([0, 0, - box_cut_height]) {
-            cube([width*2, height*2, depth], true);
-        }
-    }
-    lip();
-}
-
-translate([0, -60, 0]) box();
-translate([0, 60, 0]) rotate([180, 0, 0]) cap();

enclosure/supports.scad

@@ -0,0 +1,8 @@
+// Supports to mount internal components in the box
+
+module supports_speaker() {
+    difference() {
+        cylinder(d = 84, h = 2);
+        cylinder(d = 80, h = 2);
+    }
+}

enclosure/test_fit.scad

@@ -16,5 +16,4 @@ module test_fit_components() {
 }
 
 test_fit_components();
-//#closed_box();
+translate([0, 0, 20]) rotate([0, 0, -90]) #fabula_enclosure_bottom();
-translate([0, 0, 20]) rotate([0, 0, -90]) #box();