1 files changed, 8 insertions, 5 deletions

diff --git a/multimixer.scad b/multimixer.scad
index 80f41f1..c7b3489 100644
--- a/multimixer.scad
+++ b/multimixer.scad
@@ -16,2 +16,4 @@ module multimixer(
  print = false,
+
+ liner_d_tolerance=.2
 ) {
@@ -24,2 +26,3 @@ module multimixer(
  inputogon_angle = 180*(inputs-2)/inputs;
+ lod = liner_od+liner_d_tolerance; // effective liner diameter
  
@@ -27,6 +30,6 @@ module multimixer(
  function l_to(d) = d*cos(asin(sinsin))/sinsin;
- l_output = liner_od;
+ l_output = lod;
  l_input = l_to(pushfit_d/2+minshell);
  l_fork = l_to(liner_id/2);
- l_narrow = l_to(liner_od/2+minshell);
+ l_narrow = l_to(lod/2+minshell);
  
@@ -78,5 +81,5 @@ module multimixer(
    translate([0,0,l_narrow]) {
-    cylinder(d=liner_od,h=l_input+1-l_narrow,$fn=liner_od*fnd);
+    cylinder(d=lod,h=l_input+1-l_narrow,$fn=lod*fnd);
     mirror([0,0,1]) translate([0,0,-epsilon])
-    cylinder(d1=(liner_id+liner_od)/2,d2=liner_id,h=liner_id,$fn=liner_od*fnd);
+    cylinder(d1=(liner_id+lod)/2,d2=liner_id,h=liner_id,$fn=lod*fnd);
    }
@@ -86,3 +89,3 @@ module multimixer(
    translate([0,0,l_output]) pushfit(pf);
-   cylinder(d=liner_od,h=l_input+1,$fn=liner_od*fnd);
+   cylinder(d=lod,h=l_output+1,$fn=lod*fnd);
   }