first 15mm firework test

firework_15mm/firework_15mm.scad

@@ -0,0 +1,118 @@
+
+charge_dia = 16.2;
+charge_height = 55.0;
+charge_wall = 2.5;
+
+ignite_dia = 6.8;
+ignite_height = 17.0;
+ignite_wall = 1.2;
+
+cable_dia = 5.0;
+
+base_width = 25;
+base_height = 10.0;
+base_wall = 3.0;
+
+hole_dia = 5.0;
+hole_len = 8.0;
+hole_angle = 45.0;
+hole_off = 2.0;
+hole_off2 = 5.0;
+
+$fn = 42;
+
+module charge() {
+    difference() {
+        cylinder(d = charge_dia + (2 * charge_wall), h = charge_height + charge_wall);
+        
+        translate([0, 0, charge_wall])
+        cylinder(d = charge_dia, h = charge_height + 1);
+        
+        translate([0, 0, -1])
+        cylinder(d = cable_dia, h = charge_wall + 2);
+        
+        translate([charge_dia / 2 + charge_wall + hole_off, 0, hole_off2])
+        rotate([0, -hole_angle, 0])
+        cylinder(d = hole_dia, h = hole_len);
+        
+        translate([-charge_dia / 2 - charge_wall - hole_off, 0, hole_off2])
+        rotate([0, hole_angle, 0])
+        cylinder(d = hole_dia, h = hole_len);
+        
+        translate([0, charge_dia / 2 + charge_wall + hole_off, hole_off2])
+        rotate([hole_angle, 0, 0])
+        cylinder(d = hole_dia, h = hole_len);
+        
+        translate([0, -charge_dia / 2 - charge_wall - hole_off, hole_off2])
+        rotate([-hole_angle, 0, 0])
+        cylinder(d = hole_dia, h = hole_len);
+    }
+}
+
+module ignite() {
+    difference() {
+        cylinder(d = ignite_dia + (2 * ignite_wall), h = ignite_height + ignite_wall);
+        
+        translate([0, 0, ignite_wall])
+        cylinder(d = ignite_dia, h = ignite_height + 1);
+        
+        translate([0, 0, -1])
+        cylinder(d = cable_dia, h = ignite_wall + 2);
+    }
+}
+
+module top() {
+    charge();
+
+    translate([0, 0, charge_wall])
+    ignite();
+}
+
+module pillars() {
+    hull() {
+        cube([base_wall, base_wall, base_wall]);
+        
+        translate([base_width / 2, base_width / 2, base_height + base_wall])
+        cylinder(d = charge_dia + (2 * charge_wall), h = 1);
+    }
+    
+    hull() {
+        translate([base_width - base_wall, 0, 0])
+        cube([base_wall, base_wall, base_wall]);
+        
+        translate([base_width / 2, base_width / 2, base_height + base_wall])
+        cylinder(d = charge_dia + (2 * charge_wall), h = 1);
+    }
+    
+    hull() {
+        translate([0, base_width - base_wall, 0])
+        cube([base_wall, base_wall, base_wall]);
+        
+        translate([base_width / 2, base_width / 2, base_height + base_wall])
+        cylinder(d = charge_dia + (2 * charge_wall), h = 1);
+    }
+    
+    hull() {
+        translate([base_width - base_wall, base_width - base_wall, 0])
+        cube([base_wall, base_wall, base_wall]);
+        
+        translate([base_width / 2, base_width / 2, base_height + base_wall])
+        cylinder(d = charge_dia + (2 * charge_wall), h = 1);
+    }
+}
+
+module base() {
+    cube([base_width, base_width, base_wall]);
+    
+    difference() {
+        pillars();
+        
+        translate([base_width / 2, base_width / 2, base_wall + 1])
+        cylinder(d = cable_dia, h = base_height + 2);
+    }
+    
+    translate([base_width / 2, base_width / 2, base_height + base_wall])
+    top();
+}
+
+base();