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-rw-r--r--fanduct.scad4
1 files changed, 3 insertions, 1 deletions
diff --git a/fanduct.scad b/fanduct.scad
index a18ce56..132b9e8 100644
--- a/fanduct.scad
+++ b/fanduct.scad
@@ -1,47 +1,49 @@
use <snapper.scad>;
extrusion_width=.5; layer_height=.2; // print parameters
epsilon=.005; // for finer cuts
type="circular"; // 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
inlet_w = 12.5; // inlet width
inlet_h = 17; // inlet height
inlet_short_l = 7; // inlet length of protrusion (or depth of intrusion:))
inlet_away = 15; // how far away inlet is
inlet_long_l = inlet_short_l+inlet_h;
function hypothenuse(a,b) = sqrt(pow(a,2)+pow(b,2));
silicone_shell = 2;
-heater_clearance = max(
+heater_clearance = dual
+ ? max(20,15.5) - 4.5 + silicone_shell
+ : max(
hypothenuse(16/2 +silicone_shell, 20-4.5 +silicone_shell), // E3D v6
hypothenuse(11.5-4.5 +silicone_shell, 15.5 +silicone_shell) // E3D volcano
);
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;
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] ];