2 files changed, 3 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index 998b0ac..c52cfe7 100644
--- a/Makefile
+++ b/Makefile
@@ -1,15 +1,16 @@
 -include Makefile.local
 
 OPENSCAD_APP?=/Applications/OpenSCAD.app
 OPENSCAD_BIN?=${OPENSCAD_APP}/Contents/MacOS/OpenSCAD
+OPENSCAD_FLAGS=-D draft=false
 
 default: fanduct-circular.stl fanduct-3jets.stl fanduct-dual.stl
 
 clean:
         rm -f *.stl
 
 fanduct-%.stl: fanduct-%.scad fanduct.scad
 
 
 %.stl: %.scad
         ${OPENSCAD_BIN} ${OPENSCAD_FLAGS} -o "$@" "$<"
diff --git a/fanduct.scad b/fanduct.scad
index 690a4c8..8d0414f 100644
--- a/fanduct.scad
+++ b/fanduct.scad
@@ -31,25 +31,26 @@ fanduct_elevation = 3;							// fanduct elevation above nozzle tip
         fanduct_blowtarget = -2;                                        // what to blow at
         fanduct_h = 6;                                                  // inner height of the duct
         fanduct_w = 7;                                                  // inner width of the duct
         fanduct_shell=1.2;                                              // shell thickness
         fanduct_ir = heater_clearance+5;                                // inner radius
 
         jet_angle = 60-2;       // angular width of the jet
 
 hotend_clearance = heater_clearance;
 
         snapper_d = 8; snapper_overlap=0.2;// snip snap
 
-smooth_f = 120;
+draft=true;
+smooth_f = draft? 30 : 120;
 
 to_midduct = fanduct_ir+fanduct_shell+fanduct_w/2;
 dual_spots = [ [+space_behind_nozzle, -(to_midduct+nozzles_apart/2)],
                [-         to_midduct, -(to_midduct+nozzles_apart/2)],
                [-         to_midduct, 0] ];
 
 module fanduct(type=type,ductshape=ductshape,dual=dual) {
          //     ***duct is all around!
  module duct(what) {
   module single() {
    if(what=="in") {
     sh = fanduct_w+2*fanduct_shell; sv = fanduct_h+2*fanduct_shell;