| -rw-r--r-- | fanduct.scad | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/fanduct.scad b/fanduct.scad index 53630a3..746f753 100644 --- a/fanduct.scad +++ b/fanduct.scad @@ -32,9 +32,10 @@ snapper_d = 8; snapper_overlap=0.2; // snip snap 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! module duct(what) { @@ -42,16 +43,28 @@ module fanduct(type=type) { sh = fanduct_w+2*fanduct_shell; sv = fanduct_h+2*fanduct_shell; smax = max(sh,sv); rotate_extrude($fn=smooth_f) + if(ductshape=="round") translate([sh/2+fanduct_ir,sv/2]) scale([sh/smax,sv/smax]) circle(d=smax,$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($fn=smooth_f) + if(ductshape=="round") translate([sh/2+fanduct_shell+fanduct_ir,sv/2+fanduct_shell]) scale([sh/smax,sv/smax]) circle(d=smax,$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); + } } } @@ -240,7 +253,7 @@ module fanduct(type=type) { } } -view="full"; // hcut|vcut|* +view="vcut"; // hcut|vcut|* hinfinity=4*(fanduct_ir+fanduct_shell*2+fanduct_w+inlet_away); vinfinity=2*(fanduct_shell*2+fanduct_h+inlet_h); |