Adding Stomp Rockets

Stomp Rockets/Fixed Fins v1.scad

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+use <Stomp Rocket Body v1.scad>
+$fa = 1;
+$fs = 0.5;
+
+inner_radius = 17.5/2;
+body_length = 150;
+wall_thickness = 1.8;
+outer_diameter = inner_radius + wall_thickness;
+
+module inner_taper(taper_height=5) {
+    difference() {
+        cylinder(r=inner_radius, h=taper_height);
+        cylinder(r1=inner_radius, r2=1, h=taper_height-0.1);
+    }
+}
+
+module nose_cone(inner_radius=inner_radius, wall_thickness=wall_thickness) {
+    radius = inner_radius+wall_thickness;
+    difference() {
+        sphere(r=radius);
+        translate([0,0,-radius])
+        cylinder(h=radius, r=radius);
+    }
+}
+
+module fin(width=10, height=30, thickness=3) {
+    rotate([90,0,0])
+    linear_extrude(height=thickness, center=true) 
+    polygon(points=[
+        [0,0],
+        [width,0],
+        [width,height/2],
+        [0,height],
+    ]);
+}
+
+
+union() {
+    translate([0,0,body_length])
+    rotate([0,180,0]) 
+    color("gray") rocket_body(inner_radius = inner_radius, wall_thickness=wall_thickness);
+
+    translate([0,0,body_length-5]) color("blue") inner_taper(taper_height=5);
+
+    translate([0,0,body_length]) color("blue") nose_cone();
+
+    for (i=[0,90,180,270]) {
+        rotate(i)
+        translate([outer_diameter-0.1, 0, 0])
+        fin();
+    }
+
+}

Stomp Rockets/Stomp Rocket Body v1.scad

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+// Stomp Rocket Body
+
+$fa = 1;
+$fs = 0.5;
+
+
+module rocket_body(
+    inner_radius = 17.5/2, 
+    body_length = 150,
+    collar_length = 3, 
+    top_thickness = 1,
+    wall_thickness = 1.8
+    ) {
+    outer_diameter = inner_radius + wall_thickness;
+    sleeve_diameter = inner_radius + 0.4;
+
+    union() {
+        cylinder(h=top_thickness, r=outer_diameter);
+        difference() {
+            cylinder(h=body_length, r=outer_diameter);
+            cylinder(h=body_length-collar_length, r=sleeve_diameter);
+            translate([0,0,body_length-collar_length-.1])
+            cylinder(h=collar_length+.2, r=inner_radius);
+        }
+    }
+}
+
+rocket_body();