From bc8bab6cdf184626004b174b0ba8de97968ee0c9 Mon Sep 17 00:00:00 2001
From: Michael Krelin <hacker@klever.net>
Date: Thu, 25 May 2017 20:41:18 +0000
Subject: vulcanized codpiece or codpieceful volcano

---
diff --git a/volcano.scad b/volcano.scad
index 00ff64e..3c0ff04 100644
--- a/volcano.scad
+++ b/volcano.scad
@@ -28,8 +28,20 @@ the_w = volcano_w+volcano_ts_t+volcano_hs_t+2*sh;
 the_l = volcano_l+2*sh;
 the_h = volcano_h+sv;
 
+/* Nozzle stuff */
+n_protrude = 0.4;	// nozzle tip protrusion from silicone
+n_h1 = 3;		// nozzle cone base from the heater body (minimal)
+n_cone_h = 2;		// nozzle cone height
+n_cone_d2 = 1;		// pad diameter of the 0.4 nozzle (works up to 0.6); see
+			// http://wiki.e3d-online.com/images/3/3a/V6-NOZZLE-ALL.pdf
+
+n_cone_d1 = n_cone_h * tan(40) * 2 + n_cone_d2;
+codpiece_h = n_h1 + n_cone_h - n_protrude;
+
+codpiece=true;
+
 use <bubbles.scad>;
-module heatershape() {
+module heatershape(codpiece=codpiece) {
  difference() {
   union() { // main body and protrusion
    cube(size=[volcano_w,volcano_l,volcano_h]);
@@ -60,7 +72,20 @@ module heatershape() {
  }
  // nozzle
  translate([volcano_n_offset_w,volcano_n_offset_l,-sv])
- cylinder(d=volcano_n_d,h=sv+1,$fn=24);
+ if(codpiece) {
+  translate([0,0,sv]) mirror([0,0,1]) {
+   translate([0,0,-1]) cylinder(d=volcano_n_d,h=n_h1+1,$fn=32);
+   translate([0,0,n_h1-epsilon]) cylinder(d1=n_cone_d1,d2=n_cone_d2+n_protrude*tan(40)*2,h=n_cone_h-n_protrude,$fn=32);
+  }
+  /*
+  mc_d2 = n_cone_d2 + n_protrude * tan(40) * 2;
+  intersection() {
+   cylinder(d = volcano_n_d, h = n_h1 + 1 + epsilon, $fn=24);
+   translate([0,0,-n_h1]) cylinder(d2 = volcano_n_d * 2, d1 = 0, h = n_h1 * 2 + 1, $fn=24);
+  }
+  mirror([0,0,1]) translate([0,0,-epsilon]) cylinder(h = n_cone_h - n_protrude, d1 = n_cone_d1, d2 = mc_d2, $fn = 32);
+  */
+ }else cylinder(d=volcano_n_d,h=sv+1,$fn=24);
  // cartridge
  translate([volcano_c_offset_w,volcano_c_offset_l,-volcano_c_t])
  cylinder(d=volcano_c_d,h=volcano_c_t+1,$fn=24);
@@ -102,9 +127,25 @@ use <view.scad>;
 
 view="*";
 
-view(view=view,volume=vol) {
- mold(size=[the_w,the_l,the_h],s=ms,v_protrude=protrude,introffset=(volcano_l-volcano_cutoff_l)*3/4);
- translate([ms+volcano_hs_t+sh,ms+sh,ms+sv]) heatershape();
- translate([ms+epsilon,ms+epsilon,ms+epsilon]) cube(size=[the_w-2*epsilon,the_l-2*epsilon,the_h]);
+difference() {
+ view(view=view,volume=vol) {
+  difference() {
+   union() {
+   echo("ch",volcano_n_offset_l+sh-volcano_n_d/2-1);
+    mold(size=[the_w,the_l,the_h],s=ms,v_protrude=protrude,introffset=(volcano_l-volcano_cutoff_l)*3/4,
+     chamfer = volcano_n_offset_l+sh-volcano_n_d/2-1);
+    if(codpiece)
+     translate([0,0,-codpiece_h+sv])
+     cube([the_w + ms*2,the_l + ms*2, codpiece_h - sv + epsilon]);
+   }
+   if(codpiece)
+    translate([ms+ss+volcano_hs_t+volcano_n_offset_w,ms+ss+volcano_n_offset_l,ms])
+    scale([1,1,2*(codpiece_h-sv)/(volcano_n_d+2)])
+    sphere(d=volcano_n_d+2,$fn=64);
+  }
+  translate([ms+volcano_hs_t+sh,ms+sh,ms+sv]) heatershape();
+  translate([ms+epsilon,ms+epsilon,ms+epsilon]) cube(size=[the_w-2*epsilon,the_l-2*epsilon,the_h]);
+ }
+ * translate([ss+sh+volcano_w/2,-1,-2]) cube(size=[40,40,40]);
 }
 /* vim:set ai sw=1: */
--
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