-rw-r--r-- | fanduct.scad | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/fanduct.scad b/fanduct.scad index 563920c..421dd5a 100644 --- a/fanduct.scad +++ b/fanduct.scad | |||
@@ -1,23 +1,27 @@ | |||
1 | use <snapper.scad>; | 1 | use <snapper.scad>; |
2 | extrusion_width=.5; layer_height=.2; // print parameters | 2 | extrusion_width=.5; layer_height=.2; // print parameters |
3 | 3 | ||
4 | epsilon=.005; // for finer cuts | 4 | epsilon=.005; // for finer cuts |
5 | 5 | ||
6 | heater_w = 16; // heatblock width | 6 | function hypothenuse(a,b) = sqrt(pow(a,2)+pow(b,2)); |
7 | heater_l = 20; // heatblock length | 7 | |
8 | nozzle_offset=4.5;// nozzle offset from the edge of heatblock | 8 | silicone_shell = 2; |
9 | heater_clearance = max( | ||
10 | hypothenuse(16/2 +silicone_shell, 20-4.5 +silicone_shell),// E3D v6 | ||
11 | hypothenuse(11.5-4.5 +silicone_shell, 15.5 +silicone_shell)// E3D volcano | ||
12 | ); | ||
9 | 13 | ||
10 | fanduct_elevation = 3; // fanduct elevation above nozzle tip | 14 | fanduct_elevation = 3; // fanduct elevation above nozzle tip |
11 | fanduct_blowtarget = -2; // what to blow at | 15 | fanduct_blowtarget = -2; // what to blow at |
12 | fanduct_h = 6; // inner height of the duct | 16 | fanduct_h = 6; // inner height of the duct |
13 | fanduct_w = 7; // inner width of the duct | 17 | fanduct_w = 7; // inner width of the duct |
14 | fanduct_shell=1.2; // shell thickness | 18 | fanduct_shell=1.2; // shell thickness |
15 | fanduct_ir = sqrt(pow(heater_w/2,2)+pow(heater_l-nozzle_offset,2))+5;// inner radius | 19 | fanduct_ir = heater_clearance+5; // inner radius |
16 | 20 | ||
17 | jet_angle = 60; // angular width of the jet | 21 | jet_angle = 60; // angular width of the jet |
18 | 22 | ||
19 | inlet_w = 12.5; // inlet width | 23 | inlet_w = 12.5; // inlet width |
20 | inlet_h = 17; // inlet height | 24 | inlet_h = 17; // inlet height |
21 | inlet_l = 7; // inlet length of protrusion (or depth of intrusion:)) | 25 | inlet_l = 7; // inlet length of protrusion (or depth of intrusion:)) |
22 | inlet_away = 15;// how far away inlet is | 26 | inlet_away = 15;// how far away inlet is |
23 | 27 | ||