author | Michael Krelin <hacker@klever.net> | 2016-06-13 16:00:48 (UTC) |
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committer | Michael Krelin <hacker@klever.net> | 2016-06-13 16:00:48 (UTC) |
commit | ddcb05f6038a09c767a612a2d8ce984ef6589930 (patch) (unidiff) | |
tree | d26111f71bfa147a525900d1c22fe36e6b5fc3d4 /fanduct.scad | |
parent | 96c68b7fc20735d0cacb027827282f070403d885 (diff) | |
download | fanductory-ddcb05f6038a09c767a612a2d8ce984ef6589930.zip fanductory-ddcb05f6038a09c767a612a2d8ce984ef6589930.tar.gz fanductory-ddcb05f6038a09c767a612a2d8ce984ef6589930.tar.bz2 |
dualism: output
-rw-r--r-- | fanduct.scad | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/fanduct.scad b/fanduct.scad index b9689c9..0cd89f7 100644 --- a/fanduct.scad +++ b/fanduct.scad | |||
@@ -23,295 +23,322 @@ jet_angle = 60-2; // angular width of the jet | |||
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_short_l = 7;// inlet length of protrusion (or depth of intrusion:)) | 25 | inlet_short_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 | inlet_long_l = inlet_short_l+inlet_h; | 28 | inlet_long_l = inlet_short_l+inlet_h; |
29 | hotend_clearance = heater_clearance; | 29 | hotend_clearance = heater_clearance; |
30 | 30 | ||
31 | nozzles_apart = 18; // distance between nozzles for dual hotend | 31 | nozzles_apart = 18; // distance between nozzles for dual hotend |
32 | space_behind_nozzle = 15;// space behind the nozzle where we're allowed to go | 32 | space_behind_nozzle = 15;// space behind the nozzle where we're allowed to go |
33 | // without the fear of hitting carriage | 33 | // without the fear of hitting carriage |
34 | 34 | ||
35 | snapper_d = 8; snapper_overlap=0.2;// snip snap | 35 | snapper_d = 8; snapper_overlap=0.2;// snip snap |
36 | 36 | ||
37 | smooth_f = 120; | 37 | smooth_f = 120; |
38 | 38 | ||
39 | type="circular"; // circular|3jets | 39 | type="circular"; // circular|3jets |
40 | ductshape="square"; // square|round | 40 | ductshape="square"; // square|round |
41 | dual=true; // dual or single | 41 | dual=true; // dual or single |
42 | 42 | ||
43 | to_midduct = fanduct_ir+fanduct_shell+fanduct_w/2; | 43 | to_midduct = fanduct_ir+fanduct_shell+fanduct_w/2; |
44 | dual_spots = [ [+space_behind_nozzle, -(to_midduct+nozzles_apart/2)], | 44 | dual_spots = [ [+space_behind_nozzle, -(to_midduct+nozzles_apart/2)], |
45 | [- to_midduct, -(to_midduct+nozzles_apart/2)], | 45 | [- to_midduct, -(to_midduct+nozzles_apart/2)], |
46 | [- to_midduct, 0] ]; | 46 | [- to_midduct, 0] ]; |
47 | 47 | ||
48 | module fanduct(type=type,ductshape=ductshape,dual=dual) { | 48 | module fanduct(type=type,ductshape=ductshape,dual=dual) { |
49 | // ***duct is all around! | 49 | // ***duct is all around! |
50 | module duct(what) { | 50 | module duct(what) { |
51 | module single() { | 51 | module single() { |
52 | if(what=="in") { | 52 | if(what=="in") { |
53 | sh = fanduct_w+2*fanduct_shell; sv = fanduct_h+2*fanduct_shell; | 53 | sh = fanduct_w+2*fanduct_shell; sv = fanduct_h+2*fanduct_shell; |
54 | smax = max(sh,sv); | 54 | smax = max(sh,sv); |
55 | rotate_extrude($fn=smooth_f) | 55 | rotate_extrude($fn=smooth_f) |
56 | if(ductshape=="round") | 56 | if(ductshape=="round") |
57 | translate([sh/2+fanduct_ir,sv/2]) | 57 | translate([sh/2+fanduct_ir,sv/2]) |
58 | scale([sh/smax,sv/smax]) | 58 | scale([sh/smax,sv/smax]) |
59 | circle(d=smax,$fn=4*smax); | 59 | circle(d=smax,$fn=4*smax); |
60 | else if(ductshape=="square") | 60 | else if(ductshape=="square") |
61 | translate([fanduct_ir,0]) | 61 | translate([fanduct_ir,0]) |
62 | square([sh,sv]); | 62 | square([sh,sv]); |
63 | }else if(what=="out") { | 63 | }else if(what=="out") { |
64 | sh = fanduct_w; sv = fanduct_h; | 64 | sh = fanduct_w; sv = fanduct_h; |
65 | smax = max(sh,sv); | 65 | smax = max(sh,sv); |
66 | rotate_extrude($fn=smooth_f) | 66 | rotate_extrude($fn=smooth_f) |
67 | if(ductshape=="round") | 67 | if(ductshape=="round") |
68 | translate([sh/2+fanduct_shell+fanduct_ir,sv/2+fanduct_shell]) | 68 | translate([sh/2+fanduct_shell+fanduct_ir,sv/2+fanduct_shell]) |
69 | scale([sh/smax,sv/smax]) | 69 | scale([sh/smax,sv/smax]) |
70 | circle(d=smax,$fn=4*smax); | 70 | circle(d=smax,$fn=4*smax); |
71 | else if(ductshape=="square") | 71 | else if(ductshape=="square") |
72 | translate([fanduct_ir+fanduct_shell,fanduct_shell]) | 72 | translate([fanduct_ir+fanduct_shell,fanduct_shell]) |
73 | union() { | 73 | union() { |
74 | square([sh,sv/2]); | 74 | square([sh,sv/2]); |
75 | translate([sh/2,sv/2]) | 75 | translate([sh/2,sv/2]) |
76 | scale([sh/smax,sv/smax]) | 76 | scale([sh/smax,sv/smax]) |
77 | circle(d=smax,$fn=36); | 77 | circle(d=smax,$fn=36); |
78 | } | 78 | } |
79 | } | 79 | } |
80 | } | 80 | } |
81 | module dual() { | 81 | module dual() { |
82 | module hulls(spots=dual_spots) { | 82 | module hulls(spots=dual_spots) { |
83 | for(my=[0,1]) mirror([0,my,0]) for(pn=[0:1:len(spots)-2]) hull() { | 83 | for(my=[0,1]) mirror([0,my,0]) for(pn=[0:1:len(spots)-2]) hull() { |
84 | for(p=[spots[pn],spots[pn+1]]) translate(p) children(); | 84 | for(p=[spots[pn],spots[pn+1]]) translate(p) children(); |
85 | } | 85 | } |
86 | } | 86 | } |
87 | if(what=="in") { | 87 | if(what=="in") { |
88 | hulls() cylinder(d=fanduct_w+2*fanduct_shell,h=fanduct_h+2*fanduct_shell); | 88 | hulls() cylinder(d=fanduct_w+2*fanduct_shell,h=fanduct_h+2*fanduct_shell); |
89 | }else if(what=="out") { | 89 | }else if(what=="out") { |
90 | sh = fanduct_w; sv = fanduct_h; | 90 | sh = fanduct_w; sv = fanduct_h; |
91 | smax = max(sh,sv); | 91 | smax = max(sh,sv); |
92 | translate([0,0,fanduct_shell]) hulls() { | 92 | translate([0,0,fanduct_shell]) hulls() { |
93 | cylinder(d=fanduct_w,h=fanduct_h/2); | 93 | cylinder(d=fanduct_w,h=fanduct_h/2); |
94 | translate([0,0,fanduct_h/2]) | 94 | translate([0,0,fanduct_h/2]) |
95 | scale([sh/smax,sh/smax,sv/smax]) | 95 | scale([sh/smax,sh/smax,sv/smax]) |
96 | intersection() { | 96 | intersection() { |
97 | sphere(d=smax,$fn=36); | 97 | sphere(d=smax,$fn=36); |
98 | translate([0,0,-1]) | 98 | translate([0,0,-1]) |
99 | cylinder(d=smax+2,h=smax+2,$fn=36); | 99 | cylinder(d=smax+2,h=smax+2,$fn=36); |
100 | } | 100 | } |
101 | } | 101 | } |
102 | } | 102 | } |
103 | } | 103 | } |
104 | 104 | ||
105 | if(dual) dual(); | 105 | if(dual) dual(); |
106 | else single(); | 106 | else single(); |
107 | } | 107 | } |
108 | 108 | ||
109 | // ***bumps for easier position adjustments in line with hotend | 109 | // ***bumps for easier position adjustments in line with hotend |
110 | module marks(what) { | 110 | module marks(what) { |
111 | if(what=="in") { | 111 | if(what=="in") { |
112 | for(y=[-1,1]) | 112 | for(y=[-1,1]) |
113 | hull() for(z=[0,-fanduct_shell-fanduct_h/2]) | 113 | hull() for(z=[0,-fanduct_shell-fanduct_h/2]) |
114 | translate([0,y*(fanduct_ir+fanduct_shell+fanduct_w/2),fanduct_shell*2+fanduct_h+z]) | 114 | translate([0,y*(fanduct_ir+fanduct_shell+fanduct_w/2),fanduct_shell*2+fanduct_h+z]) |
115 | rotate([90,0,0]) { | 115 | rotate([90,0,0]) { |
116 | cylinder(r=fanduct_shell,h=fanduct_w,center=true,$fn=30); | 116 | cylinder(r=fanduct_shell,h=fanduct_w,center=true,$fn=30); |
117 | for(z=[-1,1]) translate([0,0,z*fanduct_w/2]) | 117 | for(z=[-1,1]) translate([0,0,z*fanduct_w/2]) |
118 | sphere(r=fanduct_shell,$fn=30); | 118 | sphere(r=fanduct_shell,$fn=30); |
119 | } | 119 | } |
120 | } | 120 | } |
121 | } | 121 | } |
122 | 122 | ||
123 | // ***output | 123 | // ***output |
124 | module output(what,type=type) { | 124 | module output(what,type=type) { |
125 | module guideline(xyxy) { | 125 | module guideline(xyxy) { |
126 | module pin(xy) { | 126 | module pin(xy) { |
127 | translate([xy[0],xy[1],0]) | 127 | translate([xy[0],xy[1],0]) |
128 | cylinder(d=2*extrusion_width,h=2*fanduct_shell+inlet_h,$fn=6); | 128 | cylinder(d=2*extrusion_width,h=2*fanduct_shell+inlet_h,$fn=6); |
129 | } | 129 | } |
130 | xyxyxy=concat(xyxy,[[0,0]]); | 130 | xyxyxy=concat(xyxy,[[0,0]]); |
131 | for(i=[0:1:len(xyxyxy)-2]) | 131 | for(i=[0:1:len(xyxyxy)-2]) |
132 | hull() for(j=[i,i+1]) pin(xyxyxy[j]); | 132 | hull() for(j=[i,i+1]) pin(xyxyxy[j]); |
133 | } | 133 | } |
134 | 134 | ||
135 | module circus(what) { | 135 | module circus(what) { |
136 | if(what=="in") { | 136 | if(what=="in") { |
137 | difference() { | 137 | difference() { |
138 | rotate_extrude($fn=smooth_f) | 138 | rotate_extrude($fn=smooth_f) |
139 | polygon([ | 139 | polygon([ |
140 | [0,-fanduct_elevation+fanduct_blowtarget+epsilon], | 140 | [0,-fanduct_elevation+fanduct_blowtarget+epsilon], |
141 | [fanduct_ir+fanduct_shell,fanduct_shell+fanduct_h/2], | 141 | [fanduct_ir+fanduct_shell,fanduct_shell+fanduct_h/2], |
142 | [fanduct_ir+fanduct_shell+fanduct_w/2,0], | 142 | [fanduct_ir+fanduct_shell+fanduct_w/2,0], |
143 | [0,-fanduct_elevation+fanduct_blowtarget-epsilon]]); | 143 | [0,-fanduct_elevation+fanduct_blowtarget-epsilon]]); |
144 | translate([0,0,-1]) | 144 | translate([0,0,-1]) |
145 | cylinder(r=hotend_clearance,h=fanduct_h+2*fanduct_shell+2,$fn=smooth_f); | 145 | cylinder(r=hotend_clearance,h=fanduct_h+2*fanduct_shell+2,$fn=smooth_f); |
146 | mirror([0,0,1]) | 146 | mirror([0,0,1]) |
147 | translate([0,0,-epsilon]) | 147 | translate([0,0,-epsilon]) |
148 | cylinder(r=fanduct_ir+2*fanduct_shell+fanduct_w+1,h=fanduct_elevation+.1+2); | 148 | cylinder(r=fanduct_ir+2*fanduct_shell+fanduct_w+1,h=fanduct_elevation+.1+2); |
149 | } | 149 | } |
150 | }else if(what=="out") { | 150 | }else if(what=="out") { |
151 | rotate_extrude($fn=smooth_f) | 151 | rotate_extrude($fn=smooth_f) |
152 | polygon([ | 152 | polygon([ |
153 | [0,-fanduct_elevation+fanduct_blowtarget+epsilon], | 153 | [0,-fanduct_elevation+fanduct_blowtarget+epsilon], |
154 | [fanduct_ir+fanduct_shell+1,fanduct_h/2], | 154 | [fanduct_ir+fanduct_shell+1,fanduct_h/2], |
155 | [fanduct_ir+fanduct_w/2+fanduct_shell+1,fanduct_shell], | 155 | [fanduct_ir+fanduct_w/2+fanduct_shell+1,fanduct_shell], |
156 | [0,-fanduct_elevation+fanduct_blowtarget-epsilon]]); | 156 | [0,-fanduct_elevation+fanduct_blowtarget-epsilon]]); |
157 | }else if(what=="airguides") { | 157 | }else if(what=="airguides") { |
158 | inr = fanduct_ir+fanduct_shell; our = inr+fanduct_w; | 158 | inr = fanduct_ir+fanduct_shell; our = inr+fanduct_w; |
159 | union() { | 159 | union() { |
160 | for(my=[0,1]) mirror([0,my,0]) { | 160 | for(my=[0,1]) mirror([0,my,0]) { |
161 | guideline([ | 161 | guideline([ |
162 | [-our,inlet_w/6], | 162 | [-our,inlet_w/6], |
163 | [-inr*sin(60),inr*cos(60)] | 163 | [-inr*sin(60),inr*cos(60)] |
164 | ]); | 164 | ]); |
165 | a0=30; as=15; a1=180; | 165 | a0=30; as=15; a1=180; |
166 | for(a=[a0+as:as:a1]) { | 166 | for(a=[a0+as:as:a1]) { |
167 | f = as/(a1-a+as); | 167 | f = as/(a1-a+as); |
168 | rotate([0,0,a]) guideline([[-inr-fanduct_w*f,0]]); | 168 | rotate([0,0,a]) guideline([[-inr-fanduct_w*f,0]]); |
169 | } | 169 | } |
170 | guideline([ | 170 | guideline([ |
171 | [-our+fanduct_w*cos(30)*3/4,fanduct_w*sin(30)*3/4], | 171 | [-our+fanduct_w*cos(30)*3/4,fanduct_w*sin(30)*3/4], |
172 | [-inr*cos(10),inr*sin(10)] | 172 | [-inr*cos(10),inr*sin(10)] |
173 | ]); | 173 | ]); |
174 | } | 174 | } |
175 | }/*union*/ | 175 | }/*union*/ |
176 | }/*airguides*/ | 176 | }/*airguides*/ |
177 | } | 177 | } |
178 | 178 | ||
179 | module jets(what) { | 179 | module jets(what) { |
180 | od = fanduct_h*2/3+fanduct_shell; | 180 | od = fanduct_h*2/3+fanduct_shell; |
181 | md = fanduct_ir+fanduct_shell+fanduct_w/2; | 181 | md = fanduct_ir+fanduct_shell+fanduct_w/2; |
182 | jww = 2*md*sin(jet_angle/2); | 182 | jww = 2*md*sin(jet_angle/2); |
183 | difference() { | 183 | difference() { |
184 | for(a=[0:120:359]) rotate([0,0,a]) { | 184 | for(a=[0:120:359]) rotate([0,0,a]) { |
185 | if(what=="in") { | 185 | if(what=="in") { |
186 | hull() { | 186 | hull() { |
187 | intersection() { | 187 | intersection() { |
188 | translate([md-fanduct_w/2,-jww/2,0]) | 188 | translate([md-fanduct_w/2,-jww/2,0]) |
189 | cube(size=[fanduct_shell+fanduct_w/2,jww,od]); | 189 | cube(size=[fanduct_shell+fanduct_w/2,jww,od]); |
190 | duct(what=what); | 190 | duct(what=what); |
191 | } | 191 | } |
192 | translate([0,0,-fanduct_elevation]) sphere(r=.5); | 192 | translate([0,0,-fanduct_elevation]) sphere(r=.5); |
193 | } | 193 | } |
194 | }else if(what=="out") { | 194 | }else if(what=="out") { |
195 | hull() { | 195 | hull() { |
196 | intersection() { | 196 | intersection() { |
197 | translate([md-fanduct_w/2,-jww/2+fanduct_shell,fanduct_shell]) | 197 | translate([md-fanduct_w/2,-jww/2+fanduct_shell,fanduct_shell]) |
198 | cube(size=[fanduct_w/2,jww-2*fanduct_shell,od-2*fanduct_shell]); | 198 | cube(size=[fanduct_w/2,jww-2*fanduct_shell,od-2*fanduct_shell]); |
199 | duct(what=what); | 199 | duct(what=what); |
200 | } | 200 | } |
201 | translate([0,0,-fanduct_elevation]) sphere(r=.2); | 201 | translate([0,0,-fanduct_elevation]) sphere(r=.2); |
202 | } | 202 | } |
203 | } | 203 | } |
204 | } | 204 | } |
205 | if(what=="in") { | 205 | if(what=="in") { |
206 | translate([0,0,-fanduct_elevation-2+epsilon]) | 206 | translate([0,0,-fanduct_elevation-2+epsilon]) |
207 | cylinder(r=fanduct_ir+fanduct_shell*2+fanduct_w+1,h=fanduct_elevation+2); | 207 | cylinder(r=fanduct_ir+fanduct_shell*2+fanduct_w+1,h=fanduct_elevation+2); |
208 | translate([0,0,-hotend_clearance]) | 208 | translate([0,0,-hotend_clearance]) |
209 | rotate([0,0,30]) | 209 | rotate([0,0,30]) |
210 | cylinder(r1=hotend_clearance*2,r2=0,h=hotend_clearance*2,$fn=6); | 210 | cylinder(r1=hotend_clearance*2,r2=0,h=hotend_clearance*2,$fn=6); |
211 | } | 211 | } |
212 | } | 212 | } |
213 | } | 213 | } |
214 | 214 | ||
215 | if(type=="circular") circus(what); | 215 | module dual(what=what) { |
216 | module hulls(spots=dual_spots) { | ||
217 | for(my=[0,1]) mirror([0,my,0]) for(pn=[0:1:len(spots)-2]) hull() { | ||
218 | for(p=[spots[pn],spots[pn+1]]) translate(p) children(0); | ||
219 | children([1:$children-1]); | ||
220 | } | ||
221 | } | ||
222 | if(what=="in") { | ||
223 | difference() { | ||
224 | hulls() { | ||
225 | cylinder(d=fanduct_w+2*fanduct_shell,h=2*fanduct_shell+fanduct_h/2); | ||
226 | translate([0,-nozzles_apart/2,-fanduct_elevation-fanduct_blowtarget]) sphere(d=.1); | ||
227 | } | ||
228 | translate([0,0,epsilon]) hull() for(my=[0:1]) mirror([0,my,0]) for(s=dual_spots) translate(s) | ||
229 | mirror([0,0,1]) cylinder(d=fanduct_w+2*fanduct_shell+2,h=fanduct_elevation-fanduct_blowtarget+1); | ||
230 | for(s=[-1,1]) translate([0,s*nozzles_apart/2,-1]) | ||
231 | cylinder(r=hotend_clearance,h=fanduct_h+2*fanduct_shell+2,$fn=smooth_f); | ||
232 | } | ||
233 | }else if(what=="out") { | ||
234 | hulls() { | ||
235 | translate([0,0,fanduct_shell]) cylinder(d=fanduct_w,h=fanduct_h/2-fanduct_shell/2); | ||
236 | translate([0,-nozzles_apart/2,-fanduct_elevation+fanduct_blowtarget]) sphere(d=.1); | ||
237 | } | ||
238 | } | ||
239 | } | ||
240 | |||
241 | if(dual) dual(what); | ||
242 | else if(type=="circular") circus(what); | ||
216 | else if(type=="3jets") jets(what); | 243 | else if(type=="3jets") jets(what); |
217 | } | 244 | } |
218 | 245 | ||
219 | // ***air intake | 246 | // ***air intake |
220 | module intake(what) { | 247 | module intake(what) { |
221 | module placeit() { | 248 | module placeit() { |
222 | translate([-fanduct_ir-2*fanduct_shell-fanduct_w-inlet_away,0,fanduct_shell]) | 249 | translate([-fanduct_ir-2*fanduct_shell-fanduct_w-inlet_away,0,fanduct_shell]) |
223 | rotate([0,-90,0]) | 250 | rotate([0,-90,0]) |
224 | children(); | 251 | children(); |
225 | } | 252 | } |
226 | if(what=="in") { | 253 | if(what=="in") { |
227 | placeit() translate([0,-inlet_w/2,0]) { | 254 | placeit() translate([0,-inlet_w/2,0]) { |
228 | difference() { | 255 | difference() { |
229 | cube(size=[inlet_h,inlet_w,inlet_long_l+fanduct_shell]); | 256 | cube(size=[inlet_h,inlet_w,inlet_long_l+fanduct_shell]); |
230 | translate([inlet_h+fanduct_shell,0,inlet_long_l+fanduct_shell]) | 257 | translate([inlet_h+fanduct_shell,0,inlet_long_l+fanduct_shell]) |
231 | rotate([-90,0,0]) | 258 | rotate([-90,0,0]) |
232 | translate([0,0,-1]) | 259 | translate([0,0,-1]) |
233 | cylinder(r=inlet_h,h=inlet_w+2*fanduct_shell+2,$fn=inlet_h*4); | 260 | cylinder(r=inlet_h,h=inlet_w+2*fanduct_shell+2,$fn=inlet_h*4); |
234 | } | 261 | } |
235 | // supports | 262 | // supports |
236 | for(i=[-1,0,1]) | 263 | for(i=[-1,0,1]) |
237 | translate([-fanduct_shell, | 264 | translate([-fanduct_shell, |
238 | (i+1)*(inlet_w-extrusion_width)/2, | 265 | (i+1)*(inlet_w-extrusion_width)/2, |
239 | -inlet_away-fanduct_w/2]) | 266 | -inlet_away-fanduct_w/2]) |
240 | cube(size=[fanduct_shell, | 267 | cube(size=[fanduct_shell, |
241 | extrusion_width, | 268 | extrusion_width, |
242 | inlet_long_l+fanduct_shell+inlet_away+fanduct_w/2]); | 269 | inlet_long_l+fanduct_shell+inlet_away+fanduct_w/2]); |
243 | } | 270 | } |
244 | hull() { | 271 | hull() { |
245 | placeit() translate([-fanduct_shell,-inlet_w/2-fanduct_shell,0]) | 272 | placeit() translate([-fanduct_shell,-inlet_w/2-fanduct_shell,0]) |
246 | cube(size=[inlet_h+2*fanduct_shell,inlet_w+2*fanduct_shell,fanduct_shell]); | 273 | cube(size=[inlet_h+2*fanduct_shell,inlet_w+2*fanduct_shell,fanduct_shell]); |
247 | translate([-fanduct_ir-fanduct_shell-fanduct_w/2,0,0]) | 274 | translate([-fanduct_ir-fanduct_shell-fanduct_w/2,0,0]) |
248 | translate([0,-inlet_w/2-fanduct_shell/2,0]) | 275 | translate([0,-inlet_w/2-fanduct_shell/2,0]) |
249 | cube(size=[1,inlet_w+fanduct_shell,fanduct_shell*2+fanduct_h]); | 276 | cube(size=[1,inlet_w+fanduct_shell,fanduct_shell*2+fanduct_h]); |
250 | } | 277 | } |
251 | }else if(what=="out") { | 278 | }else if(what=="out") { |
252 | placeit() translate([fanduct_shell,-inlet_w/2+fanduct_shell,0]) | 279 | placeit() translate([fanduct_shell,-inlet_w/2+fanduct_shell,0]) |
253 | cube(size=[inlet_h-2*fanduct_shell,inlet_w-2*fanduct_shell,inlet_long_l+fanduct_shell+1]); | 280 | cube(size=[inlet_h-2*fanduct_shell,inlet_w-2*fanduct_shell,inlet_long_l+fanduct_shell+1]); |
254 | hull() { | 281 | hull() { |
255 | placeit() translate([fanduct_shell,-inlet_w/2+fanduct_shell,0]) | 282 | placeit() translate([fanduct_shell,-inlet_w/2+fanduct_shell,0]) |
256 | cube(size=[inlet_h-2*fanduct_shell,inlet_w-2*fanduct_shell,fanduct_shell]); | 283 | cube(size=[inlet_h-2*fanduct_shell,inlet_w-2*fanduct_shell,fanduct_shell]); |
257 | translate([-fanduct_ir-fanduct_shell-fanduct_w/2,0,fanduct_shell]) | 284 | translate([-fanduct_ir-fanduct_shell-fanduct_w/2,0,fanduct_shell]) |
258 | translate([0,-inlet_w/2+fanduct_shell,0]) | 285 | translate([0,-inlet_w/2+fanduct_shell,0]) |
259 | cube(size=[1,inlet_w-2*fanduct_shell,fanduct_h]); | 286 | cube(size=[1,inlet_w-2*fanduct_shell,fanduct_h]); |
260 | } | 287 | } |
261 | } | 288 | } |
262 | } | 289 | } |
263 | 290 | ||
264 | // ***DUCT TAILS!!! WOO-OO! (every day they're out there making duct tails…) | 291 | // ***DUCT TAILS!!! WOO-OO! (every day they're out there making duct tails…) |
265 | module tails(what) { | 292 | module tails(what) { |
266 | if(what=="in") { | 293 | if(what=="in") { |
267 | for(mx=[0,1]) mirror([mx,0,0]) | 294 | for(mx=[0,1]) mirror([mx,0,0]) |
268 | translate([fanduct_ir+fanduct_shell+fanduct_w/2,0,fanduct_shell+fanduct_h/2]) | 295 | translate([fanduct_ir+fanduct_shell+fanduct_w/2,0,fanduct_shell+fanduct_h/2]) |
269 | rotate([90,0,90]) | 296 | rotate([90,0,90]) |
270 | translate([0,0,-snapper_d/2]) | 297 | translate([0,0,-snapper_d/2]) |
271 | snapper(d=snapper_d,o=snapper_overlap,side=0,l=fanduct_h*3/2+fanduct_shell); | 298 | snapper(d=snapper_d,o=snapper_overlap,side=0,l=fanduct_h*3/2+fanduct_shell); |
272 | } | 299 | } |
273 | } | 300 | } |
274 | 301 | ||
275 | module parts(what) { | 302 | module parts(what) { |
276 | union() { | 303 | union() { |
277 | duct(what); | 304 | duct(what); |
278 | marks(what); | 305 | marks(what); |
279 | output(what); | 306 | output(what); |
280 | intake(what); | 307 | intake(what); |
281 | tails(what); | 308 | tails(what); |
282 | } | 309 | } |
283 | } | 310 | } |
284 | 311 | ||
285 | difference() { | 312 | difference() { |
286 | parts("in"); | 313 | parts("in"); |
287 | parts("out"); | 314 | parts("out"); |
288 | } | 315 | } |
289 | intersection() { | 316 | intersection() { |
290 | union() { | 317 | union() { |
291 | output("airguides"); | 318 | output("airguides"); |
292 | sphere(d=epsilon); | 319 | sphere(d=epsilon); |
293 | } | 320 | } |
294 | union() { | 321 | union() { |
295 | duct("in"); output("in"); intake("in"); | 322 | duct("in"); output("in"); intake("in"); |
296 | } | 323 | } |
297 | } | 324 | } |
298 | } | 325 | } |
299 | 326 | ||
300 | view="*"; // hcut|vcut|* | 327 | view="*"; // hcut|vcut|* |
301 | 328 | ||
302 | hinfinity=4*(fanduct_ir+fanduct_shell*2+fanduct_w+inlet_away); | 329 | hinfinity=4*(fanduct_ir+fanduct_shell*2+fanduct_w+inlet_away); |
303 | vinfinity=2*(fanduct_shell*2+fanduct_h+inlet_h); | 330 | vinfinity=2*(fanduct_shell*2+fanduct_h+inlet_h); |
304 | if(view=="hcut") { | 331 | if(view=="hcut") { |
305 | difference() { | 332 | difference() { |
306 | fanduct(); | 333 | fanduct(); |
307 | translate([-hinfinity/2,-hinfinity/2,fanduct_shell+fanduct_h/2]) | 334 | translate([-hinfinity/2,-hinfinity/2,fanduct_shell+fanduct_h/2]) |
308 | cube(size=[hinfinity,hinfinity,vinfinity]); | 335 | cube(size=[hinfinity,hinfinity,vinfinity]); |
309 | } | 336 | } |
310 | }else if(view=="vcut") { | 337 | }else if(view=="vcut") { |
311 | difference() { | 338 | difference() { |
312 | fanduct(); | 339 | fanduct(); |
313 | translate([-hinfinity/2,0,-vinfinity/2]) | 340 | translate([-hinfinity/2,0,-vinfinity/2]) |
314 | cube(size=[hinfinity,hinfinity,vinfinity]); | 341 | cube(size=[hinfinity,hinfinity,vinfinity]); |
315 | } | 342 | } |
316 | }else fanduct(); | 343 | }else fanduct(); |
317 | /* vim:set sw=1 ai: */ | 344 | /* vim:set sw=1 ai: */ |