-rw-r--r-- | fanduct.scad | 75 |
1 files changed, 74 insertions, 1 deletions
diff --git a/fanduct.scad b/fanduct.scad index ba63717..2bc5623 100644 --- a/fanduct.scad +++ b/fanduct.scad @@ -114,52 +114,87 @@ module fanduct(type=type,ductshape=ductshape,dual=dual) { intersection() { rotate_extrude($fn=smooth_f) translate([fanduct_ir,0]) square([sh,sv]); translate([-fanduct_ir-sh-1,0,-1]) cube(size=[fanduct_ir+sh+2,fanduct_ir+sh+2,sv+2]); } translate([-fanduct_ir-sh,-epsilon,0]) cube(size=[sh,nozzles_apart/2+2*epsilon,sv]); translate([0,sh/2+fanduct_ir+nozzles_apart/2,0]) cylinder(d=sh,h=sv,$fn=36); }else if(what=="out") { sh = fanduct_w; sv = fanduct_h; translate([0,nozzles_apart/2,fanduct_shell]) intersection() { rotate_extrude($fn=smooth_f) translate([fanduct_ir+fanduct_shell,0]) square([sh,sv]); translate([-fanduct_ir-2*fanduct_shell-sh-1,-1,0]) cube(size=[fanduct_ir+2*fanduct_shell+sh+2,fanduct_ir+2*fanduct_shell+sh+2,sv]); } translate([-fanduct_ir-fanduct_shell-sh,-epsilon,fanduct_shell]) cube(size=[sh,nozzles_apart/2+2*epsilon,sv]); translate([0,sh/2+fanduct_shell+fanduct_ir+nozzles_apart/2,fanduct_shell]) cylinder(d=sh,h=sv,$fn=36); } } + module dual_complex() { + for(my=[0,1]) mirror([0,my,0]) + if(what=="in") { + sh = fanduct_w+2*fanduct_shell; + sv = fanduct_h+2*fanduct_shell; + for(mx=[0,1]) mirror([mx,0,0]) + mirror([0,1,0]) rotate([90,0,0]) + translate([0,0,-1]) + linear_extrude(height=nozzles_apart/2+1+epsilon) + ductshape(sh=sh,sv=sv,r=fanduct_ir,what=what); + translate([0,nozzles_apart/2,0]) + difference() { + rotate_extrude($fn=smooth_f) + ductshape(sh=sh,sv=sv,r=fanduct_ir,what=what); + mirror([0,1,0]) translate([-fanduct_ir-sh-1,0,-1]) + cube(size=[2*(fanduct_ir+sh+1),fanduct_ir+sh+1,sv+2]); + } + }else{ + sh = fanduct_w; sv = fanduct_h; + for(mx=[0,1]) mirror([mx,0,0]) + mirror([0,1,0]) rotate([90,0,0]) + translate([0,0,-1]) + linear_extrude(height=nozzles_apart/2+1+epsilon) + ductshape(sh=sh,sv=sv,r=fanduct_ir,what=what); + translate([0,nozzles_apart/2,0]) + difference() { + rotate_extrude($fn=smooth_f) + ductshape(sh=sh,sv=sv,r=fanduct_ir,what=what); + mirror([0,1,0]) translate([-fanduct_ir-sh-1,0,-1]) + cube(size=[2*(fanduct_ir+sh+1),fanduct_ir+sh+1,sv+2]); + } + } + } if(dual) { if(type=="simple") dual_simple(); + else if(type=="jets") + dual_complex(); else dual(); }else single(); } // *** bumps for easier position adjustments in line with hotend module marks(what) { if(what=="in") { for(y=[-1,1]) translate([0,dual?y*nozzles_apart/2:0,0]) hull() for(z=[0,-fanduct_shell-fanduct_h/2]) translate([0,y*(fanduct_ir+fanduct_shell+fanduct_w/2),fanduct_shell*2+fanduct_h+z]) rotate([90,0,0]) { cylinder(r=fanduct_shell,h=fanduct_w,center=true,$fn=30); for(z=[-1,1]) translate([0,0,z*fanduct_w/2]) sphere(r=fanduct_shell,$fn=30); } } } // *** output module output(what,type=type) { module guideline(xyxy) { module pin(xy) { translate([xy[0],xy[1],0]) cylinder(d=2*extrusion_width,h=2*fanduct_shell+inlet_h,$fn=6); @@ -268,72 +303,110 @@ module fanduct(type=type,ductshape=ductshape,dual=dual) { for(s=[-1,1]) translate([0,s*nozzles_apart/2,-1]) rotate([0,0,180/cfn]) cylinder(r=hotend_clearance/cos(180/cfn),h=fanduct_h+2*fanduct_shell+2,$fn=cfn); } }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); } }else if(what=="airguides") { far = fanduct_ir+fanduct_shell+fanduct_w; near = fanduct_ir; union() { for(my=[0,1]) mirror([0,my,0]) { guideline([ [-far ,0], [0, nozzles_apart/8] ]); guideline([ [-far ,inlet_w/2/4 ], [-near ,to_midduct/2] ]); guideline([ [-near-fanduct_w/3, to_midduct/2 ], [-near ,nozzles_apart/2+near ] ]); guideline([ [0 ,nozzles_apart/2+near+fanduct_w*space_behind_nozzle/to_midduct] ]); } } } } + module dual_jets(what=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(my=[0,1]) mirror([0,my,0]) + translate([0,nozzles_apart/2,0]) + for(a=[45,135]) 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]); + rotate([0,0,-a]) translate([0,-nozzles_apart/2,0]) duct(what=what); + } // intersection + translate([0,0,-fanduct_elevation]) sphere(r=.5); + } // hull + }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]); + rotate([0,0,-a]) translate([0,-nozzles_apart/2,0]) duct(what=what); + } // intersection + translate([0,0,-fanduct_elevation]) sphere(r=.5); + } // hull + } // what=="out" + if(what=="in") { + translate([0,0,-fanduct_elevation/2-1+epsilon]) + cube(size=[2*(fanduct_ir+2*fanduct_shell+fanduct_w+1),nozzles_apart+2*(fanduct_ir+2*fanduct_shell+fanduct_w+1),fanduct_elevation+2],center=true); + for(my=[0,1]) mirror([0,my,0]) + translate([0,nozzles_apart/2,-hotend_clearance]) + cylinder(r1=hotend_clearance*2,r2=0,h=hotend_clearance*2,$fn=4); + } + } // difference + } + module dual_simple(what=what) { for(my=[0:1]) mirror([0,my,0]) if(what=="in") { difference() { hull() { translate([0,nozzles_apart/2+fanduct_ir+fanduct_shell+fanduct_w/2,0]) cylinder(d=fanduct_w+2*fanduct_shell,h=fanduct_h*2/3+2*fanduct_shell); translate([0,nozzles_apart/2,-fanduct_elevation+fanduct_blowtarget]) rotate([0,90,0]) cylinder(r=.5,h=fanduct_w*2,center=true); } rr = 2*(fanduct_ir+fanduct_shell*2+fanduct_w+2); translate([-rr/2,0,0]) mirror([0,0,1]) cube(size=[rr,rr,rr]); } }else if(what=="out") { hull() { translate([0,nozzles_apart/2+fanduct_ir+fanduct_shell+fanduct_w/2,fanduct_shell]) cylinder(d=fanduct_w,h=fanduct_h*2/3); translate([0,nozzles_apart/2,-fanduct_elevation+fanduct_blowtarget]) rotate([0,90,0]) cylinder(d=.5,h=fanduct_w*2,center=true); } } } if(dual) { if(type=="simple") dual_simple(what); + else if(type=="jets") dual_jets(what); else dual(what); }else if(type=="circular") circus(what); else if(type=="3jets") jets(what); } // *** air intake module intake(what) { module placeit() { translate([-fanduct_ir-2*fanduct_shell-fanduct_w-inlet_away,0,fanduct_shell]) rotate([0,-90,0]) children(); } if(what=="in") { placeit() translate([0,-inlet_w/2,0]) { difference() { cube(size=[inlet_h,inlet_w,inlet_long_l+fanduct_shell]); translate([inlet_h+fanduct_shell,0,inlet_long_l+fanduct_shell]) rotate([-90,0,0]) translate([0,0,-1]) cylinder(r=inlet_h,h=inlet_w+2*fanduct_shell+2,$fn=inlet_h*4); } // supports for(i=[-1,0,1]) translate([-fanduct_shell, (i+1)*(inlet_w-extrusion_width)/2, @@ -343,49 +416,49 @@ module fanduct(type=type,ductshape=ductshape,dual=dual) { 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]); } } } // *** DUCT TAILS!!! WOO-OO! (every day they're out there making duct tails…) module tails(what) { - if(dual) { + if(dual && type=="simple") { // XXX: not sure if it will ever be }else{ if(what=="in") { for(mx=[0,1]) mirror([mx,0,0]) translate([fanduct_ir+fanduct_shell+fanduct_w/2,0,fanduct_shell+fanduct_h/2]) rotate([90,0,90]) translate([0,0,-snapper_d/2]) snapper(d=snapper_d,o=snapper_overlap,side=0,l=fanduct_h*3/2+fanduct_shell); } } } module parts(what) { union() { duct(what); marks(what); output(what); intake(what); tails(what); } } difference() { parts("in"); |