From 4f322c6a7e2c5566ab90f17f010b1c5014ac4cd4 Mon Sep 17 00:00:00 2001
From: Michael Krelin <hacker@klever.net>
Date: Sat, 11 Jun 2016 15:13:44 +0000
Subject: deeper and deeper and deeper inside

---
diff --git a/fanduct.scad b/fanduct.scad
index 75a3bb1..7a9e205 100644
--- a/fanduct.scad
+++ b/fanduct.scad
@@ -22,9 +22,10 @@ jet_angle = 60-2;		// angular width of the jet
 
 inlet_w = 12.5;		// inlet width
 inlet_h = 17;		// inlet height
-inlet_l = 7;		// inlet length of protrusion (or depth of intrusion:))
+inlet_short_l = 7;	// inlet length of protrusion (or depth of intrusion:))
 inlet_away = 15;	// how far away inlet is
 
+inlet_long_l = inlet_short_l+inlet_h;
 hotend_clearance = heater_clearance;
 
 snapper_d = 8; snapper_overlap=0.2;	// snip snap
@@ -188,7 +189,13 @@ module fanduct(type=type,ductshape=ductshape) {
   }
   if(what=="in") {
    placeit() translate([0,-inlet_w/2,0]) {
-    cube(size=[inlet_h,inlet_w,inlet_l+fanduct_shell]);
+    difference() {
+     cube(size=[inlet_h,inlet_w,inlet_long_l+fanduct_shell]);
+     translate([inlet_h+fanduct_shell,0,inlet_long_l+fanduct_shell])
+     rotate([-90,0,0])
+     translate([0,0,-1])
+     cylinder(r=inlet_h,h=inlet_w+2*fanduct_shell+2,$fn=inlet_h*4);
+    }
     // supports
     for(i=[-1,0,1])
      translate([-fanduct_shell,
@@ -196,7 +203,7 @@ module fanduct(type=type,ductshape=ductshape) {
      -inlet_away-fanduct_w/2])
      cube(size=[fanduct_shell,
       extrusion_width,
-      inlet_l+fanduct_shell+inlet_away+fanduct_w/2]);
+      inlet_long_l+fanduct_shell+inlet_away+fanduct_w/2]);
    }
    hull() {
     placeit() translate([-fanduct_shell,-inlet_w/2-fanduct_shell,0])
@@ -207,7 +214,7 @@ module fanduct(type=type,ductshape=ductshape) {
    }
   }else if(what=="out") {
    placeit() translate([fanduct_shell,-inlet_w/2+fanduct_shell,0])
-   cube(size=[inlet_h-2*fanduct_shell,inlet_w-2*fanduct_shell,inlet_l+fanduct_shell+1]);
+   cube(size=[inlet_h-2*fanduct_shell,inlet_w-2*fanduct_shell,inlet_long_l+fanduct_shell+1]);
    hull() {
     placeit() translate([fanduct_shell,-inlet_w/2+fanduct_shell,0])
     cube(size=[inlet_h-2*fanduct_shell,inlet_w-2*fanduct_shell,fanduct_shell]);
@@ -254,7 +261,7 @@ module fanduct(type=type,ductshape=ductshape) {
  }
 }
 
-view="vcut"; // hcut|vcut|*
+view="*"; // hcut|vcut|*
 
 hinfinity=4*(fanduct_ir+fanduct_shell*2+fanduct_w+inlet_away);
 vinfinity=2*(fanduct_shell*2+fanduct_h+inlet_h);
--
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