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authorMichael Krelin <hacker@klever.net>2016-05-29 21:12:15 (UTC)
committer Michael Krelin <hacker@klever.net>2016-05-29 21:12:15 (UTC)
commit1bc06881cec07ceaafc0b98310b2424feda5f354 (patch) (unidiff)
treea976223bd80e8370c3e4773affe85289ba7eb300
parent255f4886db8797a9b1c8079f6a166e92e4eb1f4c (diff)
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toroidal duct
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--fanduct.scad18
1 files changed, 10 insertions, 8 deletions
diff --git a/fanduct.scad b/fanduct.scad
index a843023..41048bf 100644
--- a/fanduct.scad
+++ b/fanduct.scad
@@ -36,13 +36,15 @@ module fanduct(type=type) {
36 if(what=="in") { 36 if(what=="in") {
37 sh = fanduct_w+2*fanduct_shell; sv = fanduct_h+2*fanduct_shell;
38 smax = max(sh,sv);
37 rotate_extrude($fn=smooth_f) 39 rotate_extrude($fn=smooth_f)
38 translate([fanduct_ir,0]) 40 translate([sh/2+fanduct_ir,sv/2])
39 square([fanduct_w+2*fanduct_shell,fanduct_h+2*fanduct_shell]); 41 scale([sh/smax,sv/smax])
42 circle(d=smax,$fn=4*smax);
40 }else if(what=="out") { 43 }else if(what=="out") {
44 sh = fanduct_w; sv = fanduct_h;
45 smax = max(sh,sv);
41 rotate_extrude($fn=smooth_f) 46 rotate_extrude($fn=smooth_f)
42 translate([fanduct_ir+fanduct_shell,fanduct_shell]) 47 translate([sh/2+fanduct_shell+fanduct_ir,sv/2+fanduct_shell])
43 union() { 48 scale([sh/smax,sv/smax])
44 square([fanduct_w,fanduct_h/2]); 49 circle(d=smax,$fn=4*smax);
45 translate([fanduct_w/2,fanduct_h-fanduct_w/2])
46 rotate([0,0,90]) circle(d=fanduct_w,$fn=36);
47 }
48 } 50 }