author | Michael Krelin <hacker@klever.net> | 2016-05-29 21:08:16 (UTC) |
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committer | Michael Krelin <hacker@klever.net> | 2016-05-29 21:08:16 (UTC) |
commit | 6369f8a5865e1ce85d5b7a0520da47adbe86eba1 (patch) (unidiff) | |
tree | b093571f31a5d7dbb2b559b0e66f95a0a2b87639 /fanduct.scad | |
parent | 477b5dff0c93243b93f03e51bca541b465b6f1f5 (diff) | |
download | fanductory-6369f8a5865e1ce85d5b7a0520da47adbe86eba1.zip fanductory-6369f8a5865e1ce85d5b7a0520da47adbe86eba1.tar.gz fanductory-6369f8a5865e1ce85d5b7a0520da47adbe86eba1.tar.bz2 |
deeper marks going halfway down
-rw-r--r-- | fanduct.scad | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/fanduct.scad b/fanduct.scad index 235c079..e16c5ae 100644 --- a/fanduct.scad +++ b/fanduct.scad | |||
@@ -6,102 +6,104 @@ epsilon=.005; // for finer cuts | |||
6 | heater_w = 16; // heatblock width | 6 | heater_w = 16; // heatblock width |
7 | heater_l = 20; // heatblock length | 7 | heater_l = 20; // heatblock length |
8 | nozzle_offset=4.5;// nozzle offset from the edge of heatblock | 8 | nozzle_offset=4.5;// nozzle offset from the edge of heatblock |
9 | 9 | ||
10 | fanduct_elevation = 3; // fanduct elevation above nozzle tip | 10 | fanduct_elevation = 3; // fanduct elevation above nozzle tip |
11 | fanduct_h = 6; // inner height of the duct | 11 | fanduct_h = 6; // inner height of the duct |
12 | fanduct_w = 6; // inner width of the duct | 12 | fanduct_w = 6; // inner width of the duct |
13 | fanduct_shell=1.2; // shell thickness | 13 | fanduct_shell=1.2; // shell thickness |
14 | fanduct_ir = sqrt(pow(heater_w/2,2)+pow(heater_l-nozzle_offset,2))+5;// inner radius | 14 | fanduct_ir = sqrt(pow(heater_w/2,2)+pow(heater_l-nozzle_offset,2))+5;// inner radius |
15 | 15 | ||
16 | jet_angle = 60; // angular width of the jet | 16 | jet_angle = 60; // angular width of the jet |
17 | 17 | ||
18 | inlet_w = 12.5; // inlet width | 18 | inlet_w = 12.5; // inlet width |
19 | inlet_h = 17; // inlet height | 19 | inlet_h = 17; // inlet height |
20 | inlet_l = 7; // inlet length of protrusion (or depth of intrusion:)) | 20 | inlet_l = 7; // inlet length of protrusion (or depth of intrusion:)) |
21 | inlet_away = 15;// how far away inlet is | 21 | inlet_away = 15;// how far away inlet is |
22 | 22 | ||
23 | hotend_clearance = 12; | 23 | hotend_clearance = 12; |
24 | 24 | ||
25 | snapper_d = 8; snapper_overlap=0.2;// snip snap | 25 | snapper_d = 8; snapper_overlap=0.2;// snip snap |
26 | 26 | ||
27 | smooth_f = 120; | 27 | smooth_f = 120; |
28 | 28 | ||
29 | type="3jets"; // "3jets" ; // circular|3jets | 29 | type="3jets"; // "3jets" ; // circular|3jets |
30 | 30 | ||
31 | 31 | ||
32 | module fanduct(type=type) { | 32 | module fanduct(type=type) { |
33 | 33 | ||
34 | // ***duct is all around! | 34 | // ***duct is all around! |
35 | module duct(what) { | 35 | module duct(what) { |
36 | if(what=="in") { | 36 | if(what=="in") { |
37 | rotate_extrude($fn=smooth_f) | 37 | rotate_extrude($fn=smooth_f) |
38 | translate([fanduct_ir,0]) | 38 | translate([fanduct_ir,0]) |
39 | square([fanduct_w+2*fanduct_shell,fanduct_h+2*fanduct_shell]); | 39 | square([fanduct_w+2*fanduct_shell,fanduct_h+2*fanduct_shell]); |
40 | }else if(what=="out") { | 40 | }else if(what=="out") { |
41 | rotate_extrude($fn=smooth_f) | 41 | rotate_extrude($fn=smooth_f) |
42 | translate([fanduct_ir+fanduct_shell,fanduct_shell]) | 42 | translate([fanduct_ir+fanduct_shell,fanduct_shell]) |
43 | union() { | 43 | union() { |
44 | square([fanduct_w,fanduct_h/2]); | 44 | square([fanduct_w,fanduct_h/2]); |
45 | translate([fanduct_w/2,fanduct_h-fanduct_w/2]) | 45 | translate([fanduct_w/2,fanduct_h-fanduct_w/2]) |
46 | rotate([0,0,90]) circle(d=fanduct_w,$fn=36); | 46 | rotate([0,0,90]) circle(d=fanduct_w,$fn=36); |
47 | } | 47 | } |
48 | } | 48 | } |
49 | } | 49 | } |
50 | 50 | ||
51 | // ***bumps for easier position adjustments in line with hotend | 51 | // ***bumps for easier position adjustments in line with hotend |
52 | module marks(what) { | 52 | module marks(what) { |
53 | if(what=="in") { | 53 | if(what=="in") { |
54 | for(y=[-1,1]) translate([0,y*(fanduct_ir+fanduct_shell+fanduct_w/2),fanduct_shell*2+fanduct_h]) | 54 | for(y=[-1,1]) |
55 | rotate([90,0,0]) { | 55 | hull() for(z=[0,-fanduct_shell-fanduct_h/2]) |
56 | cylinder(r=fanduct_shell,h=fanduct_w,center=true,$fn=30); | 56 | translate([0,y*(fanduct_ir+fanduct_shell+fanduct_w/2),fanduct_shell*2+fanduct_h+z]) |
57 | for(z=[-1,1]) translate([0,0,z*fanduct_w/2]) | 57 | rotate([90,0,0]) { |
58 | sphere(r=fanduct_shell,$fn=30); | 58 | cylinder(r=fanduct_shell,h=fanduct_w,center=true,$fn=30); |
59 | } | 59 | for(z=[-1,1]) translate([0,0,z*fanduct_w/2]) |
60 | sphere(r=fanduct_shell,$fn=30); | ||
61 | } | ||
60 | } | 62 | } |
61 | } | 63 | } |
62 | 64 | ||
63 | // ***output | 65 | // ***output |
64 | module output(what,type=type) { | 66 | module output(what,type=type) { |
65 | module guideline(xyxy) { | 67 | module guideline(xyxy) { |
66 | module pin(xy) { | 68 | module pin(xy) { |
67 | translate([xy[0],xy[1],0]) | 69 | translate([xy[0],xy[1],0]) |
68 | cylinder(d=2*extrusion_width,h=2*fanduct_shell+inlet_h,$fn=6); | 70 | cylinder(d=2*extrusion_width,h=2*fanduct_shell+inlet_h,$fn=6); |
69 | } | 71 | } |
70 | xyxyxy=concat(xyxy,[[0,0]]); | 72 | xyxyxy=concat(xyxy,[[0,0]]); |
71 | for(i=[0:1:len(xyxyxy)-2]) | 73 | for(i=[0:1:len(xyxyxy)-2]) |
72 | hull() for(j=[i,i+1]) pin(xyxyxy[j]); | 74 | hull() for(j=[i,i+1]) pin(xyxyxy[j]); |
73 | } | 75 | } |
74 | 76 | ||
75 | module circus(what) { | 77 | module circus(what) { |
76 | if(what=="in") { | 78 | if(what=="in") { |
77 | difference() { | 79 | difference() { |
78 | rotate_extrude($fn=smooth_f) | 80 | rotate_extrude($fn=smooth_f) |
79 | polygon([ | 81 | polygon([ |
80 | [0,-fanduct_elevation], | 82 | [0,-fanduct_elevation], |
81 | [fanduct_ir+fanduct_shell,fanduct_shell+fanduct_h/2], | 83 | [fanduct_ir+fanduct_shell,fanduct_shell+fanduct_h/2], |
82 | [fanduct_ir+fanduct_shell,0], | 84 | [fanduct_ir+fanduct_shell,0], |
83 | [0,-fanduct_elevation-.1]]); | 85 | [0,-fanduct_elevation-.1]]); |
84 | translate([0,0,-1]) | 86 | translate([0,0,-1]) |
85 | cylinder(r=hotend_clearance,h=fanduct_h+2*fanduct_shell+2,$fn=smooth_f); | 87 | cylinder(r=hotend_clearance,h=fanduct_h+2*fanduct_shell+2,$fn=smooth_f); |
86 | mirror([0,0,1]) | 88 | mirror([0,0,1]) |
87 | translate([0,0,-epsilon]) | 89 | translate([0,0,-epsilon]) |
88 | cylinder(r=fanduct_ir+fanduct_shell+1,h=fanduct_elevation+.1+2); | 90 | cylinder(r=fanduct_ir+fanduct_shell+1,h=fanduct_elevation+.1+2); |
89 | } | 91 | } |
90 | }else if(what=="out") { | 92 | }else if(what=="out") { |
91 | difference() { | 93 | difference() { |
92 | rotate_extrude($fn=smooth_f) | 94 | rotate_extrude($fn=smooth_f) |
93 | polygon([ | 95 | polygon([ |
94 | [0,-fanduct_elevation], | 96 | [0,-fanduct_elevation], |
95 | [fanduct_ir+fanduct_shell+1,fanduct_h/2], | 97 | [fanduct_ir+fanduct_shell+1,fanduct_h/2], |
96 | [fanduct_ir+fanduct_shell+1,fanduct_shell], | 98 | [fanduct_ir+fanduct_shell+1,fanduct_shell], |
97 | [0,-fanduct_elevation-.1]]); | 99 | [0,-fanduct_elevation-.1]]); |
98 | circus("airguides"); | 100 | circus("airguides"); |
99 | } | 101 | } |
100 | }else if(what=="airguides") { | 102 | }else if(what=="airguides") { |
101 | inr = fanduct_ir+fanduct_shell; our = inr+fanduct_w; | 103 | inr = fanduct_ir+fanduct_shell; our = inr+fanduct_w; |
102 | union() { | 104 | union() { |
103 | for(my=[0,1]) mirror([0,my,0]) { | 105 | for(my=[0,1]) mirror([0,my,0]) { |
104 | guideline([ | 106 | guideline([ |
105 | [-our,inlet_w/6], | 107 | [-our,inlet_w/6], |
106 | [-inr*sin(60),inr*cos(60)] | 108 | [-inr*sin(60),inr*cos(60)] |
107 | ]); | 109 | ]); |