2 files changed, 3 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index 998b0ac..c52cfe7 100644
--- a/Makefile
+++ b/Makefile
@@ -1,10 +1,11 @@
 -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
 
diff --git a/fanduct.scad b/fanduct.scad
index 690a4c8..8d0414f 100644
--- a/fanduct.scad
+++ b/fanduct.scad
@@ -37,13 +37,14 @@ 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] ];