1 files changed, 13 insertions, 1 deletions

diff --git a/fanduct.scad b/fanduct.scad
index fc57c57..c402312 100644
--- a/fanduct.scad
+++ b/fanduct.scad
@@ -129,3 +129,3 @@ module fanduct(type=type,ductshape=ductshape,dual=dual) {
    }
-   xyxyxy=concat(xyxy,[[0,0]]);
+   xyxyxy=concat(xyxy,[[0,dual?nozzles_apart/2:0]]);
    for(i=[0:1:len(xyxyxy)-2])
@@ -237,2 +237,14 @@ module fanduct(type=type,ductshape=ductshape,dual=dual) {
     }
+   }else if(what=="airguides") {
+    far = fanduct_ir+fanduct_shell+fanduct_w;
+    near = fanduct_ir;
+    union() {
+     for(my=[0,1]) mirror([0,my,0]) {
+      guideline([ [-far             ,0], [0,0] ]);
+      guideline([ [-far             ,inlet_w/2/4],
+                  [-near            ,nozzles_apart/2] ]);
+      guideline([ [-near-fanduct_w/3,nozzles_apart/2+near+fanduct_w/3] ]);
+      guideline([ [0                ,nozzles_apart/2+near+fanduct_w/2] ]);
+     }
+    }
    }