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-rw-r--r--fanduct.scad6
1 files changed, 4 insertions, 2 deletions
diff --git a/fanduct.scad b/fanduct.scad
index efc6a19..b1c9bd8 100644
--- a/fanduct.scad
+++ b/fanduct.scad
@@ -345,27 +345,29 @@ module fanduct(type=type,ductshape=ductshape,dual=dual) {
hull() {
intersection() {
translate([md-fanduct_w/2,-jww/2+fanduct_shell,fanduct_shell])
cube(size=[fanduct_w/2,jww-2*fanduct_shell,od-2*fanduct_shell]);
rotate([0,0,-a]) translate([0,-nozzles_apart/2,0]) duct(what=what);
} // intersection
translate([0,0,-fanduct_elevation]) sphere(r=.5);
} // hull
} // what=="out"
if(what=="in") {
translate([0,0,-fanduct_elevation/2-1+epsilon])
cube(size=[2*(fanduct_ir+2*fanduct_shell+fanduct_w+1),nozzles_apart+2*(fanduct_ir+2*fanduct_shell+fanduct_w+1),fanduct_elevation+2],center=true);
+ cfn=4;
+ hc = hotend_clearance/cos(180/cfn);
for(my=[0,1]) mirror([0,my,0])
- translate([0,nozzles_apart/2,-hotend_clearance])
- cylinder(r1=hotend_clearance*2,r2=0,h=hotend_clearance*2,$fn=4);
+ translate([0,nozzles_apart/2,-hc])
+ cylinder(r1=hc*2,r2=0,h=hc*2,$fn=cfn);
}
} // difference
}
module dual_simple(what=what) {
for(my=[0:1]) mirror([0,my,0]) if(what=="in") {
difference() {
hull() {
translate([0,nozzles_apart/2+fanduct_ir+fanduct_shell+fanduct_w/2,0])
cylinder(d=fanduct_w+2*fanduct_shell,h=fanduct_h*2/3+2*fanduct_shell);
translate([0,nozzles_apart/2,-fanduct_elevation+fanduct_blowtarget])
rotate([0,90,0]) cylinder(r=.5,h=fanduct_w*2,center=true);