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-rw-r--r--fanduct.scad20
1 files changed, 13 insertions, 7 deletions
diff --git a/fanduct.scad b/fanduct.scad
index 72143e2..a843023 100644
--- a/fanduct.scad
+++ b/fanduct.scad
@@ -125,3 +125,5 @@ module fanduct(type=type) {
125 od = fanduct_h/2+fanduct_shell; 125 od = fanduct_h/2+fanduct_shell;
126 difference() { 126 md = fanduct_ir+fanduct_shell+fanduct_w/2;
127 jww = 2*md*sin(jet_angle/2);
128 render(convexity=8) difference() {
127 for(a=[0:120:359]) rotate([0,0,a]) { 129 for(a=[0:120:359]) rotate([0,0,a]) {
@@ -129,5 +131,7 @@ module fanduct(type=type) {
129 hull() { 131 hull() {
130 translate([fanduct_ir+od/2,0,od/2]) 132 render(convexity=4) intersection() {
131 rotate([90,0,0]) 133 translate([md-fanduct_shell-fanduct_w/2,-jww/2,0])
132 cylinder(d=od,h=2*(fanduct_ir+fanduct_shell+fanduct_w/2)*sin(jet_angle/2)-3,center=true,$fn=36); 134 cube(size=[fanduct_shell+fanduct_w/2,jww,od]);
135 duct(what=what);
136 }
133 translate([0,0,-fanduct_elevation]) sphere(r=.5); 137 translate([0,0,-fanduct_elevation]) sphere(r=.5);
@@ -136,5 +140,7 @@ module fanduct(type=type) {
136 hull() { 140 hull() {
137 translate([fanduct_ir+od/2,0,od/2]) 141 render(convexity=4) intersection() {
138 rotate([90,0,0]) 142 translate([md-fanduct_w/2-fanduct_shell,-jww/2+fanduct_shell,fanduct_shell])
139 cylinder(d=od-2*fanduct_shell,h=2*(fanduct_ir+fanduct_shell+fanduct_w/2)*sin(jet_angle/2)-3-2*fanduct_shell,center=true); 143 cube(size=[fanduct_w/2+fanduct_shell,jww-2*fanduct_shell,od-2*fanduct_shell]);
144 duct(what=what);
145 }
140 translate([0,0,-fanduct_elevation]) sphere(r=.2); 146 translate([0,0,-fanduct_elevation]) sphere(r=.2);