add tableware_organizer

examples/tableware_organizer.scad

@@ -0,0 +1,66 @@
+include <line2d.scad>;
+include <polyline2d.scad>
+include <util/fibseq.scad>;
+
+smallest_length = 30;
+height1 = 60;
+height2 = 120;
+thickness = 1;
+
+module tableware_organizer(smallest_length, height1, height2, thickness) {
+    module golden_rectangle(fibseq, i = 0) {
+        if(i < len(fibseq) - 1) {
+            f1 = fibseq[i] * smallest_length;
+            f2 = fibseq[i + 1] * smallest_length;
+            
+            linear_extrude(f1 < 3 * smallest_length ? height1 : height2) 
+                polyline2d([[0, 0], [f1, 0], [f1, f1], [0, f1], [0, 0]], thickness);
+                        
+            
+            linear_extrude(thickness) 
+                square([f1, f1]);
+            
+            translate([0, f1 - f2, 0]) 
+            rotate(90)
+                golden_rectangle(fibseq, i + 1);    
+        }
+    }
+
+    p1 = smallest_length * 3 / 4;
+    p2 = smallest_length / 4;    
+    double_thickness = thickness * 2;
+    ex_h = smallest_length * 8;
+    angles = [90, 90, 0];
+
+    module slash(pts) {
+        rotate(angles) 
+        linear_extrude(ex_h, center = true) 
+            polyline2d(pts, double_thickness);        
+    }
+    
+    module slash_diffs1() {
+        x = smallest_length * 2.5;
+        pts = [[-p1, -p1], [p1, p1]];
+        for(h = [height2 / 2, height2 / 3, height2 / 1.5]) {
+            translate([x, 0, h]) slash(pts);      
+        }   
+    }
+
+    module slash_diffs2() {
+        x = smallest_length * 0.5;
+        pts = [[-p2, -p2], [p2, p2]];
+
+        for(h = [height1 / 3, height1 / 1.5]) {
+            translate([x, 0, h]) slash(pts);
+            translate([-x, 0, h]) slash(pts);            
+        }   
+    }    
+    
+    difference() {
+        golden_rectangle(fibseq(1, 5));
+        slash_diffs1();
+        slash_diffs2();
+    }
+}
+
+tableware_organizer(smallest_length, height1, height2, thickness);