| -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 @@ -78,110 +78,116 @@ module fanduct(type=type) { if(what=="in") { difference() { rotate_extrude($fn=smooth_f) polygon([ [0,-fanduct_elevation], [fanduct_ir+fanduct_shell,fanduct_shell+fanduct_h/2], [fanduct_ir+fanduct_shell+fanduct_w/2,0], [0,-fanduct_elevation-.1]]); translate([0,0,-1]) cylinder(r=hotend_clearance,h=fanduct_h+2*fanduct_shell+2,$fn=smooth_f); mirror([0,0,1]) translate([0,0,-epsilon]) cylinder(r=fanduct_ir+fanduct_shell+1,h=fanduct_elevation+.1+2); } }else if(what=="out") { difference() { rotate_extrude($fn=smooth_f) polygon([ [0,-fanduct_elevation], [fanduct_ir+fanduct_shell+1,fanduct_h/2], [fanduct_ir+fanduct_w/2+fanduct_shell+1,fanduct_shell], [0,-fanduct_elevation-.1]]); circus("airguides"); } }else if(what=="airguides") { inr = fanduct_ir+fanduct_shell; our = inr+fanduct_w; union() { for(my=[0,1]) mirror([0,my,0]) { guideline([ [-our,inlet_w/6], [-inr*sin(60),inr*cos(60)] ]); a0=30; as=15; a1=180; for(a=[a0+as:as:a1]) { f = as/(a1-a+as); rotate([0,0,a]) guideline([[-inr-fanduct_w*f,0]]); } guideline([ [-our+fanduct_w*cos(30)*3/4,fanduct_w*sin(30)*3/4], [-inr*cos(10),inr*sin(10)] ]); } }/*union*/ }/*airguides*/ } module jets(what) { od = fanduct_h/2+fanduct_shell; - difference() { + md = fanduct_ir+fanduct_shell+fanduct_w/2; + jww = 2*md*sin(jet_angle/2); + render(convexity=8) difference() { for(a=[0:120:359]) rotate([0,0,a]) { if(what=="in") { hull() { - translate([fanduct_ir+od/2,0,od/2]) - rotate([90,0,0]) - cylinder(d=od,h=2*(fanduct_ir+fanduct_shell+fanduct_w/2)*sin(jet_angle/2)-3,center=true,$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(); } if(what=="in") { placeit() translate([0,-inlet_w/2,0]) { cube(size=[inlet_h,inlet_w,inlet_l+fanduct_shell]); // 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]); } 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]); hull() { |