From 2d09f1c09a64adab3a756e5d7108a2138682a2f3 Mon Sep 17 00:00:00 2001
From: Michael Krelin <hacker@klever.net>
Date: Sat, 11 Jun 2016 17:57:11 +0000
Subject: fix protrusions below the sea level

---
diff --git a/fanduct.scad b/fanduct.scad
index 7a9e205..3e2a15e 100644
--- a/fanduct.scad
+++ b/fanduct.scad
@@ -109,7 +109,7 @@ module fanduct(type=type,ductshape=ductshape) {
      cylinder(r=hotend_clearance,h=fanduct_h+2*fanduct_shell+2,$fn=smooth_f);
      mirror([0,0,1])
      translate([0,0,-epsilon])
-     cylinder(r=fanduct_ir+fanduct_shell+1,h=fanduct_elevation+.1+2);
+     cylinder(r=fanduct_ir+2*fanduct_shell+fanduct_w+1,h=fanduct_elevation+.1+2);
     }
    }else if(what=="out") {
     rotate_extrude($fn=smooth_f)
--
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