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improved 15mm firework launcher

Thomas Buck 5 years ago
parent
commit
1f86d6e8bf
2 changed files with 45154 additions and 10269 deletions
  1. 69
    72
      firework_15mm/firework_15mm.scad
  2. 45085
    10197
      firework_15mm/firework_15mm.stl

+ 69
- 72
firework_15mm/firework_15mm.scad View File

@@ -1,51 +1,93 @@
1 1
 
2 2
 charge_dia = 16.2;
3
-charge_height = 55.0;
3
+charge_height = 42.0;
4 4
 charge_wall = 2.5;
5 5
 
6
-ignite_dia = 6.8;
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-ignite_height = 17.0;
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+base_add = 2.5;
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+bottom_pins = 3.0;
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+
9
+ignite_dia = 7.0;
10
+ignite_height = 20.0;
8 11
 ignite_wall = 1.2;
9 12
 
10 13
 cable_dia = 5.0;
14
+cable_width = 2.0;
11 15
 
12
-base_width = 25;
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-base_height = 10.0;
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-base_wall = 3.0;
15
-
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-hole_dia = 5.0;
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-hole_len = 8.0;
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+hole_dia = 7.0;
17
+hole_len = 15.0;
18 18
 hole_angle = 45.0;
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-hole_off = 2.0;
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-hole_off2 = 5.0;
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+hole_off = 4.0;
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+hole_off2 = 2.0;
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+
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+mount_height = 2.0;
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+mount_width = 6.0;
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+mount_len = 10.0;
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+mount_hole = 3.2;
21 26
 
22 27
 $fn = 42;
23 28
 
24
-module charge() {
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-    difference() {
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-        cylinder(d = charge_dia + (2 * charge_wall), h = charge_height + charge_wall);
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-        
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-        translate([0, 0, charge_wall])
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-        cylinder(d = charge_dia, h = charge_height + 1);
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-        
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-        translate([0, 0, -1])
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-        cylinder(d = cable_dia, h = charge_wall + 2);
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-        
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+module gas_holes() {
34 30
         translate([charge_dia / 2 + charge_wall + hole_off, 0, hole_off2])
35 31
         rotate([0, -hole_angle, 0])
36 32
         cylinder(d = hole_dia, h = hole_len);
37
-        
38 33
         translate([-charge_dia / 2 - charge_wall - hole_off, 0, hole_off2])
39 34
         rotate([0, hole_angle, 0])
40 35
         cylinder(d = hole_dia, h = hole_len);
41
-        
42 36
         translate([0, charge_dia / 2 + charge_wall + hole_off, hole_off2])
43 37
         rotate([hole_angle, 0, 0])
44 38
         cylinder(d = hole_dia, h = hole_len);
45
-        
46 39
         translate([0, -charge_dia / 2 - charge_wall - hole_off, hole_off2])
47 40
         rotate([-hole_angle, 0, 0])
48 41
         cylinder(d = hole_dia, h = hole_len);
42
+}
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+
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+module mount_tabs() {
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+    for (i = [0 : 90 : 360]) {
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+        rotate([0, 0, i + 45])
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+        translate([charge_dia / 2, -mount_width / 2, 0])
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+        difference() {
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+            union() {
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+                cube([mount_len, mount_width, mount_height]);
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+                
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+                translate([mount_len, mount_width / 2, 0])
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+                cylinder(d = mount_width, h = mount_height);
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+            }
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+            
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+            translate([mount_len, mount_width / 2, -1])
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+            cylinder(d = mount_hole, h = mount_height + 2);
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+        }
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+    }
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+}
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+
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+module charge() {
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+    difference() {
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+        // outer shell
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+        cylinder(d = charge_dia + (2 * charge_wall), h = charge_height + charge_wall + base_add);
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+        
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+        // bore hole
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+        translate([0, 0, charge_wall + base_add])
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+        cylinder(d = charge_dia, h = charge_height + 1);
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+        
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+        // cable hole
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+        translate([0, 0, -1])
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+        cylinder(d = cable_dia, h = charge_wall + base_add + 2);
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+        
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+        // cable cut on bottom
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+        translate([0, -cable_dia / 2, -1])
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+        cube([charge_dia, cable_dia, cable_width + 1]);
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+        
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+        translate([0, 0, base_add])
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+        gas_holes();
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+        
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+        translate([0, 0, charge_height / 2 + base_add])
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+        gas_holes();
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+    }
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+    
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+    // pins to hold up long charges
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+    for (i = [0 : 90 : 360]) {
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+        rotate([0, 0, i + 45])
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+        translate([(charge_dia - bottom_pins) / 2, 0, charge_wall + base_add])
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+        sphere(d = bottom_pins);
49 91
     }
50 92
 }
51 93
 
@@ -64,55 +106,10 @@ module ignite() {
64 106
 module top() {
65 107
     charge();
66 108
 
67
-    translate([0, 0, charge_wall])
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+    translate([0, 0, charge_wall + base_add])
68 110
     ignite();
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-}
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-
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-module pillars() {
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-    hull() {
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-        cube([base_wall, base_wall, base_wall]);
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-        
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-        translate([base_width / 2, base_width / 2, base_height + base_wall])
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-        cylinder(d = charge_dia + (2 * charge_wall), h = 1);
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-    }
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-    
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-    hull() {
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-        translate([base_width - base_wall, 0, 0])
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-        cube([base_wall, base_wall, base_wall]);
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-        
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-        translate([base_width / 2, base_width / 2, base_height + base_wall])
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-        cylinder(d = charge_dia + (2 * charge_wall), h = 1);
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-    }
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-    
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-    hull() {
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-        translate([0, base_width - base_wall, 0])
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-        cube([base_wall, base_wall, base_wall]);
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-        
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-        translate([base_width / 2, base_width / 2, base_height + base_wall])
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-        cylinder(d = charge_dia + (2 * charge_wall), h = 1);
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-    }
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-    
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-    hull() {
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-        translate([base_width - base_wall, base_width - base_wall, 0])
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-        cube([base_wall, base_wall, base_wall]);
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-        
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-        translate([base_width / 2, base_width / 2, base_height + base_wall])
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-        cylinder(d = charge_dia + (2 * charge_wall), h = 1);
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-    }
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-}
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-
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-module base() {
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-    cube([base_width, base_width, base_wall]);
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-    
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-    difference() {
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-        pillars();
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-        
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-        translate([base_width / 2, base_width / 2, base_wall + 1])
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-        cylinder(d = cable_dia, h = base_height + 2);
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-    }
113 111
     
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-    translate([base_width / 2, base_width / 2, base_height + base_wall])
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-    top();
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+    mount_tabs();
116 113
 }
117 114
 
118
-base();
115
+top();

+ 45085
- 10197
firework_15mm/firework_15mm.stl
File diff suppressed because it is too large
View File


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