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@thehans

thehans/duct.scad

Created Nov 18, 2019
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Basic duct transition using hull in OpenSCAD
fan=120;
ductl=110;
ductw=40;
h=150;
wallTh = 2;
module transition(h,l1,w1,l2,w2,eps=0.01) {
hull() {
cube([l1,w1,eps], center=true);
translate([0,0,h-eps]) cube([w2,l2,eps], center=true);
}
}
difference() {
transition(h,fan+wallTh*2,fan+wallTh*2,ductl+wallTh*2,ductw+wallTh*2);
translate([0,0,-0.01]) transition(h+0.02,fan,fan,ductl,ductw);
}
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