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-rw-r--r--fanduct.scad17
1 files changed, 12 insertions, 5 deletions
diff --git a/fanduct.scad b/fanduct.scad
index 75a3bb1..7a9e205 100644
--- a/fanduct.scad
+++ b/fanduct.scad
@@ -19,15 +19,16 @@ fanduct_shell=1.2; // shell thickness
fanduct_ir = heater_clearance+5; // inner radius
jet_angle = 60-2; // angular width of the jet
inlet_w = 12.5; // inlet width
inlet_h = 17; // inlet height
-inlet_l = 7; // inlet length of protrusion (or depth of intrusion:))
+inlet_short_l = 7; // inlet length of protrusion (or depth of intrusion:))
inlet_away = 15; // how far away inlet is
+inlet_long_l = inlet_short_l+inlet_h;
hotend_clearance = heater_clearance;
snapper_d = 8; snapper_overlap=0.2; // snip snap
smooth_f = 120;
@@ -185,32 +186,38 @@ module fanduct(type=type,ductshape=ductshape) {
translate([-fanduct_ir-2*fanduct_shell-fanduct_w-inlet_away,0,fanduct_shell])
rotate([0,-90,0])
children();
}
if(what=="in") {
placeit() translate([0,-inlet_w/2,0]) {
- cube(size=[inlet_h,inlet_w,inlet_l+fanduct_shell]);
+ difference() {
+ cube(size=[inlet_h,inlet_w,inlet_long_l+fanduct_shell]);
+ translate([inlet_h+fanduct_shell,0,inlet_long_l+fanduct_shell])
+ rotate([-90,0,0])
+ translate([0,0,-1])
+ cylinder(r=inlet_h,h=inlet_w+2*fanduct_shell+2,$fn=inlet_h*4);
+ }
// supports
for(i=[-1,0,1])
translate([-fanduct_shell,
(i+1)*(inlet_w-extrusion_width)/2,
-inlet_away-fanduct_w/2])
cube(size=[fanduct_shell,
extrusion_width,
- inlet_l+fanduct_shell+inlet_away+fanduct_w/2]);
+ inlet_long_l+fanduct_shell+inlet_away+fanduct_w/2]);
}
hull() {
placeit() translate([-fanduct_shell,-inlet_w/2-fanduct_shell,0])
cube(size=[inlet_h+2*fanduct_shell,inlet_w+2*fanduct_shell,fanduct_shell]);
translate([-fanduct_ir-fanduct_shell-fanduct_w/2,0,0])
translate([0,-inlet_w/2-fanduct_shell/2,0])
cube(size=[1,inlet_w+fanduct_shell,fanduct_shell*2+fanduct_h]);
}
}else if(what=="out") {
placeit() translate([fanduct_shell,-inlet_w/2+fanduct_shell,0])
- cube(size=[inlet_h-2*fanduct_shell,inlet_w-2*fanduct_shell,inlet_l+fanduct_shell+1]);
+ cube(size=[inlet_h-2*fanduct_shell,inlet_w-2*fanduct_shell,inlet_long_l+fanduct_shell+1]);
hull() {
placeit() translate([fanduct_shell,-inlet_w/2+fanduct_shell,0])
cube(size=[inlet_h-2*fanduct_shell,inlet_w-2*fanduct_shell,fanduct_shell]);
translate([-fanduct_ir-fanduct_shell-fanduct_w/2,0,fanduct_shell])
translate([0,-inlet_w/2+fanduct_shell,0])
cube(size=[1,inlet_w-2*fanduct_shell,fanduct_h]);
@@ -251,13 +258,13 @@ module fanduct(type=type,ductshape=ductshape) {
union() {
duct("in"); output("in"); intake("in");
}
}
}
-view="vcut"; // hcut|vcut|*
+view="*"; // hcut|vcut|*
hinfinity=4*(fanduct_ir+fanduct_shell*2+fanduct_w+inlet_away);
vinfinity=2*(fanduct_shell*2+fanduct_h+inlet_h);
if(view=="hcut") {
difference() {
fanduct();