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-rw-r--r--fanduct.scad3
1 files changed, 2 insertions, 1 deletions
diff --git a/fanduct.scad b/fanduct.scad
index 6407a96..49ab4c2 100644
--- a/fanduct.scad
+++ b/fanduct.scad
@@ -221,4 +221,5 @@ module fanduct(type=type,ductshape=ductshape,dual=dual) {
}
if(what=="in") {
+ cfn= 4; // clearance cutout $fn
difference() {
hulls() {
@@ -229,5 +230,5 @@ module fanduct(type=type,ductshape=ductshape,dual=dual) {
mirror([0,0,1]) cylinder(d=fanduct_w+2*fanduct_shell+2,h=fanduct_elevation-fanduct_blowtarget+1);
for(s=[-1,1]) translate([0,s*nozzles_apart/2,-1])
- rotate([0,0,45]) cylinder(r=hotend_clearance,h=fanduct_h+2*fanduct_shell+2,$fn=4);
+ rotate([0,0,180/cfn]) cylinder(r=hotend_clearance/cos(180/cfn),h=fanduct_h+2*fanduct_shell+2,$fn=cfn);
}
}else if(what=="out") {