-rw-r--r-- | fanduct.scad | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/fanduct.scad b/fanduct.scad index 53630a3..746f753 100644 --- a/fanduct.scad +++ b/fanduct.scad @@ -33,7 +33,8 @@ smooth_f = 120; type="3jets"; // "3jets" ; // circular|3jets +ductshape="square"; // square|round -module fanduct(type=type) { +module fanduct(type=type,ductshape=ductshape) { // *** duct is all around! @@ -43,14 +44,26 @@ module fanduct(type=type) { smax = max(sh,sv); rotate_extrude($fn=smooth_f) - translate([sh/2+fanduct_ir,sv/2]) - scale([sh/smax,sv/smax]) - circle(d=smax,$fn=4*smax); + if(ductshape=="round") + translate([sh/2+fanduct_ir,sv/2]) + scale([sh/smax,sv/smax]) + circle(d=smax,$fn=4*smax); + else if(ductshape=="square") + translate([fanduct_ir,0]) + square([sh,sv]); }else if(what=="out") { sh = fanduct_w; sv = fanduct_h; smax = max(sh,sv); rotate_extrude($fn=smooth_f) - translate([sh/2+fanduct_shell+fanduct_ir,sv/2+fanduct_shell]) - scale([sh/smax,sv/smax]) - circle(d=smax,$fn=4*smax); + if(ductshape=="round") + translate([sh/2+fanduct_shell+fanduct_ir,sv/2+fanduct_shell]) + scale([sh/smax,sv/smax]) + circle(d=smax,$fn=4*smax); + else if(ductshape=="square") + translate([fanduct_ir+fanduct_shell,fanduct_shell]) + union() { + square([fanduct_w,fanduct_h/2]); + translate([fanduct_w/2,fanduct_h-fanduct_w/2]) + rotate([0,0,90]) circle(d=fanduct_w,$fn=36); + } } } @@ -241,5 +254,5 @@ module fanduct(type=type) { } -view="full"; // hcut|vcut|* +view="vcut"; // hcut|vcut|* hinfinity=4*(fanduct_ir+fanduct_shell*2+fanduct_w+inlet_away); |