author | Michael Krelin <hacker@klever.net> | 2016-06-11 13:58:06 (UTC) |
---|---|---|
committer | Michael Krelin <hacker@klever.net> | 2016-06-11 13:58:06 (UTC) |
commit | 81e4c02f584b5404628cda56502d0eedbc93b8f1 (patch) (unidiff) | |
tree | bec4d3946792e8f279508e2b48b7092d72da6829 | |
parent | 386ace1e4c55753b4bda2b674e34005d3c1f01e4 (diff) | |
download | fanductory-81e4c02f584b5404628cda56502d0eedbc93b8f1.zip fanductory-81e4c02f584b5404628cda56502d0eedbc93b8f1.tar.gz fanductory-81e4c02f584b5404628cda56502d0eedbc93b8f1.tar.bz2 |
make hotend clearance as big as heater clearance
-rw-r--r-- | fanduct.scad | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fanduct.scad b/fanduct.scad index 975f1cc..53630a3 100644 --- a/fanduct.scad +++ b/fanduct.scad | |||
@@ -1,76 +1,76 @@ | |||
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 | function hypothenuse(a,b) = sqrt(pow(a,2)+pow(b,2)); | 6 | function hypothenuse(a,b) = sqrt(pow(a,2)+pow(b,2)); |
7 | 7 | ||
8 | silicone_shell = 2; | 8 | silicone_shell = 2; |
9 | heater_clearance = max( | 9 | heater_clearance = max( |
10 | hypothenuse(16/2 +silicone_shell, 20-4.5 +silicone_shell),// E3D v6 | 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 | 11 | hypothenuse(11.5-4.5 +silicone_shell, 15.5 +silicone_shell)// E3D volcano |
12 | ); | 12 | ); |
13 | 13 | ||
14 | fanduct_elevation = 3; // fanduct elevation above nozzle tip | 14 | fanduct_elevation = 3; // fanduct elevation above nozzle tip |
15 | fanduct_blowtarget = -2; // what to blow at | 15 | fanduct_blowtarget = -2; // what to blow at |
16 | fanduct_h = 6; // inner height of the duct | 16 | fanduct_h = 6; // inner height of the duct |
17 | fanduct_w = 7; // inner width of the duct | 17 | fanduct_w = 7; // inner width of the duct |
18 | fanduct_shell=1.2; // shell thickness | 18 | fanduct_shell=1.2; // shell thickness |
19 | fanduct_ir = heater_clearance+5; // inner radius | 19 | fanduct_ir = heater_clearance+5; // inner radius |
20 | 20 | ||
21 | jet_angle = 60-2; // angular width of the jet | 21 | jet_angle = 60-2; // angular width of the jet |
22 | 22 | ||
23 | inlet_w = 12.5; // inlet width | 23 | inlet_w = 12.5; // inlet width |
24 | inlet_h = 17; // inlet height | 24 | inlet_h = 17; // inlet height |
25 | inlet_l = 7; // inlet length of protrusion (or depth of intrusion:)) | 25 | inlet_l = 7; // inlet length of protrusion (or depth of intrusion:)) |
26 | inlet_away = 15;// how far away inlet is | 26 | inlet_away = 15;// how far away inlet is |
27 | 27 | ||
28 | hotend_clearance = 12; | 28 | hotend_clearance = heater_clearance; |
29 | 29 | ||
30 | snapper_d = 8; snapper_overlap=0.2;// snip snap | 30 | snapper_d = 8; snapper_overlap=0.2;// snip snap |
31 | 31 | ||
32 | smooth_f = 120; | 32 | smooth_f = 120; |
33 | 33 | ||
34 | type="3jets"; // "3jets" ; // circular|3jets | 34 | type="3jets"; // "3jets" ; // circular|3jets |
35 | 35 | ||
36 | 36 | ||
37 | module fanduct(type=type) { | 37 | module fanduct(type=type) { |
38 | 38 | ||
39 | // ***duct is all around! | 39 | // ***duct is all around! |
40 | module duct(what) { | 40 | module duct(what) { |
41 | if(what=="in") { | 41 | if(what=="in") { |
42 | sh = fanduct_w+2*fanduct_shell; sv = fanduct_h+2*fanduct_shell; | 42 | sh = fanduct_w+2*fanduct_shell; sv = fanduct_h+2*fanduct_shell; |
43 | smax = max(sh,sv); | 43 | smax = max(sh,sv); |
44 | rotate_extrude($fn=smooth_f) | 44 | rotate_extrude($fn=smooth_f) |
45 | translate([sh/2+fanduct_ir,sv/2]) | 45 | translate([sh/2+fanduct_ir,sv/2]) |
46 | scale([sh/smax,sv/smax]) | 46 | scale([sh/smax,sv/smax]) |
47 | circle(d=smax,$fn=4*smax); | 47 | circle(d=smax,$fn=4*smax); |
48 | }else if(what=="out") { | 48 | }else if(what=="out") { |
49 | sh = fanduct_w; sv = fanduct_h; | 49 | sh = fanduct_w; sv = fanduct_h; |
50 | smax = max(sh,sv); | 50 | smax = max(sh,sv); |
51 | rotate_extrude($fn=smooth_f) | 51 | rotate_extrude($fn=smooth_f) |
52 | translate([sh/2+fanduct_shell+fanduct_ir,sv/2+fanduct_shell]) | 52 | translate([sh/2+fanduct_shell+fanduct_ir,sv/2+fanduct_shell]) |
53 | scale([sh/smax,sv/smax]) | 53 | scale([sh/smax,sv/smax]) |
54 | circle(d=smax,$fn=4*smax); | 54 | circle(d=smax,$fn=4*smax); |
55 | } | 55 | } |
56 | } | 56 | } |
57 | 57 | ||
58 | // ***bumps for easier position adjustments in line with hotend | 58 | // ***bumps for easier position adjustments in line with hotend |
59 | module marks(what) { | 59 | module marks(what) { |
60 | if(what=="in") { | 60 | if(what=="in") { |
61 | for(y=[-1,1]) | 61 | for(y=[-1,1]) |
62 | hull() for(z=[0,-fanduct_shell-fanduct_h/2]) | 62 | hull() for(z=[0,-fanduct_shell-fanduct_h/2]) |
63 | translate([0,y*(fanduct_ir+fanduct_shell+fanduct_w/2),fanduct_shell*2+fanduct_h+z]) | 63 | translate([0,y*(fanduct_ir+fanduct_shell+fanduct_w/2),fanduct_shell*2+fanduct_h+z]) |
64 | rotate([90,0,0]) { | 64 | rotate([90,0,0]) { |
65 | cylinder(r=fanduct_shell,h=fanduct_w,center=true,$fn=30); | 65 | cylinder(r=fanduct_shell,h=fanduct_w,center=true,$fn=30); |
66 | for(z=[-1,1]) translate([0,0,z*fanduct_w/2]) | 66 | for(z=[-1,1]) translate([0,0,z*fanduct_w/2]) |
67 | sphere(r=fanduct_shell,$fn=30); | 67 | sphere(r=fanduct_shell,$fn=30); |
68 | } | 68 | } |
69 | } | 69 | } |
70 | } | 70 | } |
71 | 71 | ||
72 | // ***output | 72 | // ***output |
73 | module output(what,type=type) { | 73 | module output(what,type=type) { |
74 | module guideline(xyxy) { | 74 | module guideline(xyxy) { |
75 | module pin(xy) { | 75 | module pin(xy) { |
76 | translate([xy[0],xy[1],0]) | 76 | translate([xy[0],xy[1],0]) |