1 files changed, 1 insertions, 1 deletions

diff --git a/fanduct.scad b/fanduct.scad
index 0cd89f7..1090e95 100644
--- a/fanduct.scad
+++ b/fanduct.scad
@@ -106,13 +106,13 @@ module fanduct(type=type,ductshape=ductshape,dual=dual) {
   else single();
  }
 
          //     ***bumps for easier position adjustments in line with hotend
  module marks(what) {
   if(what=="in") {
-   for(y=[-1,1])
+   for(y=[-1,1]) translate([0,dual?y*nozzles_apart/2:0,0])
     hull() for(z=[0,-fanduct_shell-fanduct_h/2])
      translate([0,y*(fanduct_ir+fanduct_shell+fanduct_w/2),fanduct_shell*2+fanduct_h+z])
      rotate([90,0,0]) {
       cylinder(r=fanduct_shell,h=fanduct_w,center=true,$fn=30);
       for(z=[-1,1]) translate([0,0,z*fanduct_w/2])
        sphere(r=fanduct_shell,$fn=30);