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authorMichael Krelin <hacker@klever.net>2016-05-29 21:11:36 (UTC)
committer Michael Krelin <hacker@klever.net>2016-05-29 21:11:36 (UTC)
commit255f4886db8797a9b1c8079f6a166e92e4eb1f4c (patch) (side-by-side diff)
tree5f3b86280638611a286427a21d3999bf8ba98743
parent2ad350e5b2661fa64d3b04588b9b0986f29a72b9 (diff)
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jets going deeper inside
that may be a bit more accurate, but damn freaking slow
Diffstat (more/less context) (ignore whitespace changes)
-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
@@ -102,62 +102,68 @@ module fanduct(type=type) {
}else if(what=="airguides") {
inr = fanduct_ir+fanduct_shell; our = inr+fanduct_w;
union() {
for(my=[0,1]) mirror([0,my,0]) {
guideline([
[-our,inlet_w/6],
[-inr*sin(60),inr*cos(60)]
]);
a0=30; as=15; a1=180;
for(a=[a0+as:as:a1]) {
f = as/(a1-a+as);
rotate([0,0,a]) guideline([[-inr-fanduct_w*f,0]]);
}
guideline([
[-our+fanduct_w*cos(30)*3/4,fanduct_w*sin(30)*3/4],
[-inr*cos(10),inr*sin(10)]
]);
}
}/*union*/
}/*airguides*/
}
module jets(what) {
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]) {
if(what=="in") {
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,$fn=36);
+ render(convexity=4) intersection() {
+ translate([md-fanduct_shell-fanduct_w/2,-jww/2,0])
+ cube(size=[fanduct_shell+fanduct_w/2,jww,od]);
+ duct(what=what);
+ }
translate([0,0,-fanduct_elevation]) sphere(r=.5);
}
}else if(what=="out") {
hull() {
- translate([fanduct_ir+od/2,0,od/2])
- rotate([90,0,0])
- cylinder(d=od-2*fanduct_shell,h=2*(fanduct_ir+fanduct_shell+fanduct_w/2)*sin(jet_angle/2)-3-2*fanduct_shell,center=true);
+ render(convexity=4) intersection() {
+ translate([md-fanduct_w/2-fanduct_shell,-jww/2+fanduct_shell,fanduct_shell])
+ cube(size=[fanduct_w/2+fanduct_shell,jww-2*fanduct_shell,od-2*fanduct_shell]);
+ duct(what=what);
+ }
translate([0,0,-fanduct_elevation]) sphere(r=.2);
}
}
}
if(what=="in") {
translate([0,0,-fanduct_elevation-2+epsilon])
cylinder(r=fanduct_ir+fanduct_shell*2+fanduct_w+1,h=fanduct_elevation+2);
translate([0,0,-hotend_clearance])
rotate([0,0,30])
cylinder(r1=hotend_clearance*2,r2=0,h=hotend_clearance*2,$fn=6);
}
}
}
if(type=="circular") circus(what);
else if(type=="3jets") jets(what);
}
// *** air intake
module intake(what) {
module placeit() {
translate([-fanduct_ir-2*fanduct_shell-fanduct_w-inlet_away,0,fanduct_shell])
rotate([0,-90,0])
children();