Add a matching cover/tray for the dice tower.

.gitignore

@@ -1,2 +1,3 @@
 *.svg
 *.dxf
+*.stl

2d/box/box.scad

@@ -180,7 +180,7 @@ module part_layout_wdh() {
 }
 
 module extra_layout() {}
-module part_layout() {
+module std_part_layout() {
    if (outer_width > outer_height)
       part_layout_wdh();
    else
@@ -188,13 +188,14 @@ module part_layout() {
 
    extra_layout();
 }
+module part_layout() { std_part_layout(); }
 
 module thicken() {
    linear_extrude(height=thickness, center=true, convexity=10) children();
 }
 
 module extra_assembly() {}
-module part_assembly() {
+module std_part_assembly() {
    if (inc_left)   color("red")     translate([    -(outer_width/2  - thickness/2 + explode),0,0])  rotate([90,0,270]) thicken() left_side();
    if (inc_front)  color("green")   translate([0,  -(outer_depth/2  - thickness/2 + explode),0])    rotate([90,0,0])   thicken() front_side();
    if (inc_right)  color("blue")    translate([     (outer_width/2  - thickness/2 + explode),0,0])  rotate([90,0,90])  thicken() right_side();
@@ -203,6 +204,7 @@ module part_assembly() {
    if (inc_bottom) color("magenta") translate([0,0,-(outer_height/2 - thickness/2 + explode)])      rotate([180,0,0])  thicken() bottom_side();
    extra_assembly();
 }
+module part_assembly() { std_part_assembly(); }
 
 if (mode == "assembly")
    part_assembly();

2d/dice-tower/dice-tower-cover.scad

@@ -0,0 +1,67 @@
+// defined later in <box.scad>
+inch = undef;
+golden_ratio = undef;
+
+inner_width  = 2*inch;
+inner_depth  = inner_width * golden_ratio;
+inner_height = inner_depth * golden_ratio;
+
+clearance = 0.125*inch;
+hole_diameter = 4.1;
+
+include <../box/box.scad>;
+//mode = "layout";
+//mode = "assembly";
+
+outer_width  = inner_width  + 1.05*2*thickness;
+outer_depth  = 1.5*inch;
+outer_height = inner_height + thickness - 40 + clearance;
+echo(str(outer_width/inch, " by ", outer_depth/inch, " by ", outer_height/inch, " inches"));
+
+inc_front  = false;
+inc_bottom = false;
+
+rx = (outer_depth - 2*thickness)/2 - (20+thickness/2)/sqrt(2) - thickness;
+ry = -outer_height/2 - (20 + thickness/2) + thickness;
+
+module left_side() {
+   difference() {
+      union() {
+         left_side_base();
+         hull() {
+            translate([-(outer_depth/2 - 15), -outer_height/2, 0]) circle(15);
+            translate([ (outer_depth/2 - 15), -outer_height/2, 0]) circle(15);
+            translate([-rx, ry, 0]) circle(10);
+         }
+      }
+      translate([-rx, ry, 0]) circle(hole_diameter/2);
+   }
+}
+
+module right_side() {
+   difference() {
+      union() {
+         right_side_base();
+         hull() {
+            translate([-(outer_depth/2 - 15), -outer_height/2, 0]) circle(15);
+            translate([ (outer_depth/2 - 15), -outer_height/2, 0]) circle(15);
+            translate([rx, ry, 0]) circle(10);
+         }
+      }
+      translate([rx, ry, 0]) circle(hole_diameter/2);
+   }
+}
+
+module part_assembly() {
+   translate([0, rx + (inner_depth - outer_depth)/2 + thickness, clearance + ry + (inner_height - outer_height)/2 + thickness]) {
+      rotate([-90*$t,0,0]) {
+         //%translate([50,0,0]) sphere(5);
+         translate([0,-rx,-ry]) {
+            std_part_assembly();
+         }
+      }
+   }
+   %rotate([0,0,180]) import("dice-tower-assembly.stl");
+}
+
+explode = 0;