1. box_length=230;
2. box_width=155;
3. box_height=34.25;
4. xboxes=5;
5. yboxes=2;
6. wall_thickness=3;
7. lid_thickness=2;
8.  
9. module pocket(x=0,y=0){
10.   pocket_length=((box_length-((xboxes+1)*wall_thickness))/xboxes);
11.   //echo("pocket_length:",pocket_length);
12.   pocket_width=((box_width-((yboxes+1)*wall_thickness))/yboxes);
13.   //echo("pocket_width:",pocket_width);
14.   pocket_height=(box_height-wall_thickness-lid_thickness);
15.   //echo("pocket_height:",pocket_height);
16.   translate([(wall_thickness+(x*(pocket_length+wall_thickness))),(wall_thickness+(y*(pocket_width+wall_thickness))),wall_thickness])
17.     cube([pocket_length,pocket_width,pocket_height]);
18. }
19.  
20. module stacking_form(phase_index=1) {
21.   polyhedron(points = [
22.             [box_length,wall_thickness,0],                  // 0 left down front
23.             [box_length,(box_width-wall_thickness),0],      // 1 right down front
24.             [wall_thickness,(box_width-wall_thickness),0],  // 2 right down back
25.             [wall_thickness,wall_thickness,0],              // 3 left down back
26.             [box_length,0,(wall_thickness*phase_index)],         // 4 left up front
27.             [box_length,box_width,(wall_thickness*phase_index)], // 5 right up front
28.             [0,box_width,(wall_thickness*phase_index)],          // 6 right up back
29.             [0,0,(wall_thickness*phase_index)]                   // 7 left up back
30.            ],faces = [
31.             [0,1,2,3],  // bottom
32.             [4,5,1,0],  // front
33.             [7,6,5,4],  // top
34.             [5,6,2,1],  // right
35.             [6,7,3,2],  // back
36.             [7,4,0,3]   // left
37.   ]);
38. }
39.  
40. module lid_nose(cut=0) {
41.   nose_length=((box_length/10)-cut);
42.   nose_width=((wall_thickness-cut)/2);
43.   nose_height=(1-(cut/2));
44.   translate([(box_length-cut-(nose_width*1.5)),((box_width/2)-(nose_length/2)),(-nose_height-lid_thickness)])
45.     cube([nose_width,nose_length,nose_height+1]);
46. }
47.  
48. module lid_opener(cut=0) {
49.   opener_length=(box_length/5);
50.   opener_width=(wall_thickness-cut)/4;
51.   opener_height=(lid_thickness/2);
52.   translate([(box_length-cut-opener_width),((box_width/2)-(opener_length/2)),(-lid_thickness)])
53.     cube([opener_width,opener_length,opener_height]);
54. }
55.  
56. module lid_grab(cut=0) {
57.   grab_length=(box_length/5);
58.   grab_width=(lid_thickness*2);
59.   grab_height=(lid_thickness/2);
60.   translate([(box_length-(2*grab_width)),((box_width/2)-(grab_length/2)),0.1])
61.     rotate([180,0,90])
62.     polyhedron(points = [
63.           [0,0,0],
64.           [grab_length,0,0],
65.           [grab_length,grab_width,0],
66.           [0,grab_width,0],
67.           [0,(grab_width/2),grab_height],
68.           [grab_length,(grab_width/2),grab_height]
69.         ],
70.         faces=[
71.           [0,1,2,3],
72.           [5,4,3,2],
73.           [0,4,5,1],
74.           [0,3,4],
75.           [5,2,1]
76.       ]);
77.     //cube([grab_width,grab_length,grab_height]);
78. }
79.  
80. module lid_base(cut=0) {
81.   translate([0,box_width,0])
82.     rotate([180,0,0])
83.       polyhedron(points = [
84.         [(box_length-cut),wall_thickness,0],                                  // 0 left down front
85.         [(box_length-cut),(box_width-wall_thickness-cut),0],                  // 1 right down front
86.         [wall_thickness,(box_width-wall_thickness-cut),0],                    // 2 right down back
87.         [wall_thickness,wall_thickness,0],                                    // 3 left down back
88.         [(box_length-cut),(wall_thickness/2),lid_thickness],                  // 4 left up front
89.         [(box_length-cut),(box_width-(wall_thickness/2)-cut),lid_thickness],  // 5 right up front
90.         [(wall_thickness/2),(box_width-(wall_thickness/2)-cut),lid_thickness],// 6 right up back
91.         [(wall_thickness/2),(wall_thickness/2),lid_thickness]                 // 7 left up back
92.         ],faces = [
93.         [0,1,2,3],  // bottom
94.         [4,5,1,0],  // front
95.         [7,6,5,4],  // top
96.         [5,6,2,1],  // right
97.         [6,7,3,2],  // back
98.         [7,4,0,3]   // left
99.       ]);
100.   lid_nose(cut);
101. }
102.  
103. module lid(cut=0) {
104.   if (cut > 0) {
105.     difference() {
106.       lid_base(cut);
107.       lid_opener(cut);
108.       lid_grab(cut);
109.     }
110.   } else {
111.     lid_base(cut);
112.   }
113. }
114.  
115. module top(phase_index=1){
116.   translate([0,0,(box_height-wall_thickness)])
117.     stacking_form(phase_index);
118.   translate([0,0,(box_height-wall_thickness)])
119.     lid();
120. }
121.  
122. module stacking_phase(phase_index=1) {
123.   difference() {
124.     cube([box_length,box_width,(wall_thickness*phase_index)],false);
125.     stacking_form(phase_index);
126.   }
127. }
128. /**/
129. difference() {
130.   color("grey")
131.   cube([box_length,box_width,box_height],false);
132.   union(){
133.     color("red")
134.     top(1.1);
135.     color("orange")
136.     stacking_phase(1);
137.     for(x = [0:xboxes])
138.       for(y = [0:yboxes])
139.         pocket(x,y);
140.   }  
141. }
142. /**/
143. translate([0,(-5),0])
144.   rotate([180,0,0])
145.     lid(1);
146. /**/