| -rw-r--r-- | fanduct.scad | 20 |
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) { od = fanduct_h/2+fanduct_shell; - difference() { + md = fanduct_ir+fanduct_shell+fanduct_w/2; + jww = 2*md*sin(jet_angle/2); + render(convexity=8) difference() { for(a=[0:120:359]) rotate([0,0,a]) { @@ -129,5 +131,7 @@ module fanduct(type=type) { hull() { - translate([fanduct_ir+od/2,0,od/2]) - rotate([90,0,0]) - cylinder(d=od,h=2*(fanduct_ir+fanduct_shell+fanduct_w/2)*sin(jet_angle/2)-3,center=true,$fn=36); + render(convexity=4) intersection() { + translate([md-fanduct_shell-fanduct_w/2,-jww/2,0]) + cube(size=[fanduct_shell+fanduct_w/2,jww,od]); + duct(what=what); + } translate([0,0,-fanduct_elevation]) sphere(r=.5); @@ -136,5 +140,7 @@ module fanduct(type=type) { hull() { - translate([fanduct_ir+od/2,0,od/2]) - rotate([90,0,0]) - 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); + render(convexity=4) intersection() { + translate([md-fanduct_w/2-fanduct_shell,-jww/2+fanduct_shell,fanduct_shell]) + cube(size=[fanduct_w/2+fanduct_shell,jww-2*fanduct_shell,od-2*fanduct_shell]); + duct(what=what); + } translate([0,0,-fanduct_elevation]) sphere(r=.2); |