| -rw-r--r-- | fanduct.scad | 66 |
1 files changed, 61 insertions, 5 deletions
diff --git a/fanduct.scad b/fanduct.scad index 52aee0e..a17b261 100644 --- a/fanduct.scad +++ b/fanduct.scad @@ -1,12 +1,12 @@ use <snapper.scad>; extrusion_width=.5; layer_height=.2; // print parameters epsilon=.005; // for finer cuts -type="circular"; // circular|3jets +type="simple"; // circular|3jets ductshape="square"; // square|round dual=true; // dual or single nozzles_apart = 18; // distance between nozzles for dual hotend space_behind_nozzle = 10; // space behind the nozzle where we're allowed to go // without the fear of hitting carriage @@ -101,15 +101,47 @@ module fanduct(type=type,ductshape=ductshape,dual=dual) { translate([0,0,-1]) cylinder(d=smax+2,h=smax+2,$fn=36); } } } } + module dual_simple() { + for(my=[0,1]) mirror([0,my,0]) + if(what=="in") { + sh = fanduct_w+2*fanduct_shell; sv = fanduct_h+2*fanduct_shell; + translate([0,nozzles_apart/2,0]) + intersection() { + rotate_extrude($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); + } + } - if(dual) dual(); - else single(); + if(dual) { + if(type=="simple") + dual_simple(); + 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]) @@ -252,14 +284,38 @@ module fanduct(type=type,ductshape=ductshape,dual=dual) { guideline([ [0 ,nozzles_apart/2+near+fanduct_w*space_behind_nozzle/to_midduct] ]); } } } } - if(dual) dual(what); - else if(type=="circular") circus(what); + 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 dual(what); + }else if(type=="circular") circus(what); else if(type=="3jets") jets(what); } // *** air intake module intake(what) { module placeit() { |