| -rw-r--r-- | fanduct.scad | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fanduct.scad b/fanduct.scad index efc6a19..b1c9bd8 100644 --- a/fanduct.scad +++ b/fanduct.scad @@ -309,99 +309,101 @@ module fanduct(type=type,ductshape=ductshape,dual=dual) { 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); + cfn=4; + hc = hotend_clearance/cos(180/cfn); 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,$fn=4); + translate([0,nozzles_apart/2,-hc]) + cylinder(r1=hc*2,r2=0,h=hc*2,$fn=cfn); } } // 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=="jets") 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); |