Box 1.0

sample-box.scad

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+$fa = 1;
+$fs = $preview ? 2 : 0.5;
+
+// Define dimensions
+tube_diameter = 6;
+tube_length = 14;
+distance_between_rows = 14;
+distance_between_cols = 10;
+distance_to_edge=10;
+n_rows = 3;
+n_cols = 4;
+box_wall_thickness = 2;
+lid_thickness = 2;
+interlock_height = 3;
+interlock_width = 3;
+text_dist = tube_diameter/2 + 1;
+text_depth = 1;
+tolerance=1;
+
+// Calculate derived dimensions
+box_inner_width = (n_rows-1)*distance_between_rows + 2*distance_to_edge; 
+box_inner_length = (n_cols-1)
+*distance_between_cols + 2*distance_to_edge; 
+box_outer_width = box_inner_width + 2 * box_wall_thickness;
+box_outer_length = box_inner_length + 2 * box_wall_thickness;
+
+// Create the box
+module box() {
+    difference() {
+        cube([box_outer_length, box_outer_width, tube_length]);
+        translate([box_wall_thickness,box_wall_thickness,tube_length-3])
+            cube([box_inner_length, box_inner_width, 3]);
+        for (row = [0:n_rows-1]) {
+            for (col = [0:n_cols-1]) {
+            translate([col * (distance_between_cols)+distance_to_edge+box_wall_thickness, 
+                row * (distance_between_rows)+distance_to_edge+box_wall_thickness,
+                3])
+                cylinder(h=tube_length, d=tube_diameter, center=false);                
+            }
+        }
+            for (row = [0:n_rows-1]) {
+        for (col = [0:n_cols-1]) {
+            translate([col * (distance_between_cols)+distance_to_edge+box_wall_thickness, 
+                row * (distance_between_rows)+distance_to_edge+box_wall_thickness+text_dist,
+                tube_length-3-text_depth])
+                linear_extrude(height=text_depth) text(str((n_rows+1)*(row)+(col+1)), 
+            font = "Quicksand:style=Bold", size=5, halign="center");                
+            }
+        }
+    }
+
+}
+
+
+module lid() {
+    
+    difference() {
+        union() {
+        cube([box_outer_length, box_outer_width, tube_length-2]);
+        translate([box_wall_thickness+tolerance/2, box_wall_thickness+tolerance/2,0])
+        cube([box_inner_length-tolerance, box_inner_width-tolerance, tube_length]);
+        }
+        for (row = [0:n_rows-1]) {
+            for (col = [0:n_cols-1]) {
+            translate([col * (distance_between_cols)+distance_to_edge+box_wall_thickness, 
+                row * (distance_between_rows)+distance_to_edge+box_wall_thickness,
+                3])
+                cylinder(h=tube_length, d=tube_diameter, center=false);                
+            }
+        }
+    }
+}
+
+
+// Assemble the box, lid, and interlock
+box();
+translate([n_cols*distance_between_cols +20,0,0]) lid();
+//interlock();