-rw-r--r-- | fanduct.scad | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/fanduct.scad b/fanduct.scad index b9689c9..0cd89f7 100644 --- a/fanduct.scad +++ b/fanduct.scad @@ -167,97 +167,124 @@ module fanduct(type=type,ductshape=ductshape,dual=dual) { 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*2/3+fanduct_shell; md = fanduct_ir+fanduct_shell+fanduct_w/2; jww = 2*md*sin(jet_angle/2); difference() { for(a=[0:120:359]) rotate([0,0,a]) { if(what=="in") { hull() { intersection() { translate([md-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() { intersection() { translate([md-fanduct_w/2,-jww/2+fanduct_shell,fanduct_shell]) cube(size=[fanduct_w/2,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,$fn=6); } } } - if(type=="circular") circus(what); + module dual(what=what) { + module hulls(spots=dual_spots) { + for(my=[0,1]) mirror([0,my,0]) for(pn=[0:1:len(spots)-2]) hull() { + for(p=[spots[pn],spots[pn+1]]) translate(p) children(0); + children([1:$children-1]); + } + } + if(what=="in") { + difference() { + hulls() { + cylinder(d=fanduct_w+2*fanduct_shell,h=2*fanduct_shell+fanduct_h/2); + translate([0,-nozzles_apart/2,-fanduct_elevation-fanduct_blowtarget]) sphere(d=.1); + } + translate([0,0,epsilon]) hull() for(my=[0:1]) mirror([0,my,0]) for(s=dual_spots) translate(s) + mirror([0,0,1]) cylinder(d=fanduct_w+2*fanduct_shell+2,h=fanduct_elevation-fanduct_blowtarget+1); + for(s=[-1,1]) translate([0,s*nozzles_apart/2,-1]) + cylinder(r=hotend_clearance,h=fanduct_h+2*fanduct_shell+2,$fn=smooth_f); + } + }else if(what=="out") { + hulls() { + translate([0,0,fanduct_shell]) cylinder(d=fanduct_w,h=fanduct_h/2-fanduct_shell/2); + translate([0,-nozzles_apart/2,-fanduct_elevation+fanduct_blowtarget]) sphere(d=.1); + } + } + } + + if(dual) dual(what); + else if(type=="circular") circus(what); else if(type=="3jets") jets(what); } // *** air intake module intake(what) { module placeit() { translate([-fanduct_ir-2*fanduct_shell-fanduct_w-inlet_away,0,fanduct_shell]) rotate([0,-90,0]) children(); } if(what=="in") { placeit() translate([0,-inlet_w/2,0]) { difference() { cube(size=[inlet_h,inlet_w,inlet_long_l+fanduct_shell]); translate([inlet_h+fanduct_shell,0,inlet_long_l+fanduct_shell]) rotate([-90,0,0]) translate([0,0,-1]) cylinder(r=inlet_h,h=inlet_w+2*fanduct_shell+2,$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_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_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]); } } } |