Character platform and retainer ring

enclosure/character_retainer_ring.scad

@@ -0,0 +1,27 @@
+// The support the character is inserted in when playing a story.
+// Mounted on the shell with two screws.
+// To be printed in clear plastic because it receives the light from the RGB led.
+
+module character_retainer_ring() {
+    $fn = 128;
+    screw_hole_diameter = 2;
+    difference() {
+        // Body
+        cylinder(d = 59.5, h = 4);
+        cylinder(d = 40.5, h = 10, center = true);
+        // 5mm LED hole
+        translate([0, 25, 0]) sphere(d = 5, center = true);
+        // Screw holes
+        translate([25, 0, 0]) cylinder(d = screw_hole_diameter, h = 6, center = true);
+        translate([-25, 0, 0]) cylinder(d = screw_hole_diameter, h = 6, center = true);
+    }
+    
+    // Retainers
+    translate([0, 0, 3]) {
+        rotate([0, 0, 30])translate ([19, -2, 0]) cube([1.5, 4, 1]);
+        rotate([0, 0, 150]) translate ([19, -2, 0]) cube([1.5, 4, 1]);
+        rotate([0, 0, 270]) translate ([19, -2, 0]) cube([1.5, 4, 1]);
+    }
+}
+
+character_retainer_ring();

enclosure/cutouts.scad

@@ -24,7 +24,17 @@ module keycap() {
     cylinder(h = 10, d = 20, $fn = 128);
 }
 
-
+module character_retainer_cutout() {
+    $fn = 128;
+    // Ring cutout
+    cylinder(d = 60, h = 5);
+    // 5mm LED hole
+    translate([0, 25, 10]) cylinder(d = 5, h = 15, center = true);
+    // Screw holes
+    translate([25, 0, 10]) cylinder(d = screw_hole_diameter, h = 15, center = true);
+    translate([-25, 0, 10]) cylinder(d = screw_hole_diameter, h = 15, center = true);
+}
 
 //usb_cutout();
-//speaker_grille();
+//speaker_grille();
+character_retainer_cutout();

enclosure/fabula_enclosure.scad

@@ -4,7 +4,7 @@ use <cutouts.scad>
 
 // FABULA open source storyteller enclosure
 
-// TODO: open hardware logo, Fabula logo, move switch cutout, tag slot with led mount
+// TODO: open hardware logo, Fabula logo, tag slot with led mount
 
 box_cut_height = 10;
 pcb_screw_size = 3;
@@ -53,6 +53,7 @@ module fabula_enclosure_top() {
         translate([35.5, -12.5, -30]) keycap();
         translate([44.5, 23.5, -30]) keycap();
         translate([61, -2, -30]) keycap();
+        translate([-50, 0, -30.5]) rotate([0, 0, 90]) character_retainer_cutout();
     }
 }
 

enclosure/test_fit.scad

@@ -3,6 +3,9 @@
 use <internal_components.scad>
 use <fabula_enclosure.scad>
 use <keys.scad>
+use <character_retainer_ring.scad>
+
+explode_view = false;
 
 
 module test_fit_components() {
@@ -18,8 +21,15 @@ module test_fit_components() {
     translate([12.6, -35.6, 43]) next_keycap();
     translate([-23.4, -44.6, 43]) prev_keycap();
     translate([2.05, -61.05, 43]) vol_down_keycap();
+    
+    // Components mounted on the external shell
+    translate([0, 50, 45]) character_retainer_ring();
 }
 
 //test_fit_components();
-translate([0, 0, 20]) rotate([0, 0, -90]) rotate([180, 0, 0]) fabula_enclosure_bottom();
-translate([0, 0, 20]) rotate([0, 0, -90]) rotate([180, 0, 0]) fabula_enclosure_top();
+//translate([0, 0, explode_view ? -20 : 20]) rotate([0, 0, -90]) rotate([180, 0, 0]) fabula_enclosure_bottom();
+translate([0, 0, explode_view ? 100 : 20]) rotate([0, 0, -90]) rotate([180, 0, 0]) fabula_enclosure_top();
+
+//DEBUG
+//translate([0, 50, 45]) character_retainer_ring();
+//DEBUG