From 3591adbe4ee4e7bc6aa9a98f8caa579fd05e96c3 Mon Sep 17 00:00:00 2001
From: Michael Krelin <hacker@klever.net>
Date: Sat, 11 Jun 2016 14:31:09 +0000
Subject: slightly improved jets shape

---
diff --git a/fanduct.scad b/fanduct.scad
index fa14b7a..75a3bb1 100644
--- a/fanduct.scad
+++ b/fanduct.scad
@@ -140,15 +140,15 @@ module fanduct(type=type,ductshape=ductshape) {
   }
 
   module jets(what) {
-   od = fanduct_h/2+fanduct_shell;
+   od = fanduct_h*2/3+fanduct_shell;
    md = fanduct_ir+fanduct_shell+fanduct_w/2;
    jww = 2*md*sin(jet_angle/2);
-   render(convexity=8) difference() {
+   difference() {
     for(a=[0:120:359]) rotate([0,0,a]) {
      if(what=="in") {
       hull() {
-       render(convexity=4) intersection() {
-	translate([md-fanduct_shell-fanduct_w/2,-jww/2,0])
+       intersection() {
+	translate([md-fanduct_w/2,-jww/2,0])
 	cube(size=[fanduct_shell+fanduct_w/2,jww,od]);
 	duct(what=what);
        }
@@ -156,9 +156,9 @@ module fanduct(type=type,ductshape=ductshape) {
       }
      }else if(what=="out") {
       hull() {
-       render(convexity=4) intersection() {
-	translate([md-fanduct_w/2-fanduct_shell,-jww/2+fanduct_shell,fanduct_shell])
-	cube(size=[fanduct_w/2+fanduct_shell,jww-2*fanduct_shell,od-2*fanduct_shell]);
+       intersection() {
+	translate([md-fanduct_w/2,-jww/2+fanduct_shell,fanduct_shell])
+	cube(size=[fanduct_w/2,jww-2*fanduct_shell,od-2*fanduct_shell]);
 	duct(what=what);
        }
        translate([0,0,-fanduct_elevation]) sphere(r=.2);
--
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