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authorMichael Krelin <hacker@klever.net>2016-07-21 21:38:59 (UTC)
committer Michael Krelin <hacker@klever.net>2016-07-21 21:38:59 (UTC)
commit9b39333e40abf93141ee39f40ef3733890ee0db8 (patch) (unidiff)
tree125a56fc01499ee602e6f918a8b910fef5e6f0e3
parent9cceb044d036c37c8c8703926c9c84d1d88cc2e0 (diff)
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more advanced chimera hotend
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-rw-r--r--fanduct.scad75
1 files changed, 74 insertions, 1 deletions
diff --git a/fanduct.scad b/fanduct.scad
index ba63717..2bc5623 100644
--- a/fanduct.scad
+++ b/fanduct.scad
@@ -114,52 +114,87 @@ module fanduct(type=type,ductshape=ductshape,dual=dual) {
114 intersection() { 114 intersection() {
115 rotate_extrude($fn=smooth_f) 115 rotate_extrude($fn=smooth_f)
116 translate([fanduct_ir,0]) square([sh,sv]); 116 translate([fanduct_ir,0]) square([sh,sv]);
117 translate([-fanduct_ir-sh-1,0,-1]) 117 translate([-fanduct_ir-sh-1,0,-1])
118 cube(size=[fanduct_ir+sh+2,fanduct_ir+sh+2,sv+2]); 118 cube(size=[fanduct_ir+sh+2,fanduct_ir+sh+2,sv+2]);
119 } 119 }
120 translate([-fanduct_ir-sh,-epsilon,0]) 120 translate([-fanduct_ir-sh,-epsilon,0])
121 cube(size=[sh,nozzles_apart/2+2*epsilon,sv]); 121 cube(size=[sh,nozzles_apart/2+2*epsilon,sv]);
122 translate([0,sh/2+fanduct_ir+nozzles_apart/2,0]) cylinder(d=sh,h=sv,$fn=36); 122 translate([0,sh/2+fanduct_ir+nozzles_apart/2,0]) cylinder(d=sh,h=sv,$fn=36);
123 }else if(what=="out") { 123 }else if(what=="out") {
124 sh = fanduct_w; sv = fanduct_h; 124 sh = fanduct_w; sv = fanduct_h;
125 translate([0,nozzles_apart/2,fanduct_shell]) 125 translate([0,nozzles_apart/2,fanduct_shell])
126 intersection() { 126 intersection() {
127 rotate_extrude($fn=smooth_f) 127 rotate_extrude($fn=smooth_f)
128 translate([fanduct_ir+fanduct_shell,0]) square([sh,sv]); 128 translate([fanduct_ir+fanduct_shell,0]) square([sh,sv]);
129 translate([-fanduct_ir-2*fanduct_shell-sh-1,-1,0]) 129 translate([-fanduct_ir-2*fanduct_shell-sh-1,-1,0])
130 cube(size=[fanduct_ir+2*fanduct_shell+sh+2,fanduct_ir+2*fanduct_shell+sh+2,sv]); 130 cube(size=[fanduct_ir+2*fanduct_shell+sh+2,fanduct_ir+2*fanduct_shell+sh+2,sv]);
131 } 131 }
132 translate([-fanduct_ir-fanduct_shell-sh,-epsilon,fanduct_shell]) 132 translate([-fanduct_ir-fanduct_shell-sh,-epsilon,fanduct_shell])
133 cube(size=[sh,nozzles_apart/2+2*epsilon,sv]); 133 cube(size=[sh,nozzles_apart/2+2*epsilon,sv]);
134 translate([0,sh/2+fanduct_shell+fanduct_ir+nozzles_apart/2,fanduct_shell]) 134 translate([0,sh/2+fanduct_shell+fanduct_ir+nozzles_apart/2,fanduct_shell])
135 cylinder(d=sh,h=sv,$fn=36); 135 cylinder(d=sh,h=sv,$fn=36);
136 } 136 }
137 } 137 }
138 module dual_complex() {
139 for(my=[0,1]) mirror([0,my,0])
140 if(what=="in") {
141 sh = fanduct_w+2*fanduct_shell;
142 sv = fanduct_h+2*fanduct_shell;
143 for(mx=[0,1]) mirror([mx,0,0])
144 mirror([0,1,0]) rotate([90,0,0])
145 translate([0,0,-1])
146 linear_extrude(height=nozzles_apart/2+1+epsilon)
147 ductshape(sh=sh,sv=sv,r=fanduct_ir,what=what);
148 translate([0,nozzles_apart/2,0])
149 difference() {
150 rotate_extrude($fn=smooth_f)
151 ductshape(sh=sh,sv=sv,r=fanduct_ir,what=what);
152 mirror([0,1,0]) translate([-fanduct_ir-sh-1,0,-1])
153 cube(size=[2*(fanduct_ir+sh+1),fanduct_ir+sh+1,sv+2]);
154 }
155 }else{
156 sh = fanduct_w; sv = fanduct_h;
157 for(mx=[0,1]) mirror([mx,0,0])
158 mirror([0,1,0]) rotate([90,0,0])
159 translate([0,0,-1])
160 linear_extrude(height=nozzles_apart/2+1+epsilon)
161 ductshape(sh=sh,sv=sv,r=fanduct_ir,what=what);
162 translate([0,nozzles_apart/2,0])
163 difference() {
164 rotate_extrude($fn=smooth_f)
165 ductshape(sh=sh,sv=sv,r=fanduct_ir,what=what);
166 mirror([0,1,0]) translate([-fanduct_ir-sh-1,0,-1])
167 cube(size=[2*(fanduct_ir+sh+1),fanduct_ir+sh+1,sv+2]);
168 }
169 }
170 }
138 171
139 if(dual) { 172 if(dual) {
140 if(type=="simple") 173 if(type=="simple")
141 dual_simple(); 174 dual_simple();
175 else if(type=="jets")
176 dual_complex();
142 else dual(); 177 else dual();
143 }else single(); 178 }else single();
144 } 179 }
145 180
146 // ***bumps for easier position adjustments in line with hotend 181 // ***bumps for easier position adjustments in line with hotend
147 module marks(what) { 182 module marks(what) {
148 if(what=="in") { 183 if(what=="in") {
149 for(y=[-1,1]) translate([0,dual?y*nozzles_apart/2:0,0]) 184 for(y=[-1,1]) translate([0,dual?y*nozzles_apart/2:0,0])
150 hull() for(z=[0,-fanduct_shell-fanduct_h/2]) 185 hull() for(z=[0,-fanduct_shell-fanduct_h/2])
151 translate([0,y*(fanduct_ir+fanduct_shell+fanduct_w/2),fanduct_shell*2+fanduct_h+z]) 186 translate([0,y*(fanduct_ir+fanduct_shell+fanduct_w/2),fanduct_shell*2+fanduct_h+z])
152 rotate([90,0,0]) { 187 rotate([90,0,0]) {
153 cylinder(r=fanduct_shell,h=fanduct_w,center=true,$fn=30); 188 cylinder(r=fanduct_shell,h=fanduct_w,center=true,$fn=30);
154 for(z=[-1,1]) translate([0,0,z*fanduct_w/2]) 189 for(z=[-1,1]) translate([0,0,z*fanduct_w/2])
155 sphere(r=fanduct_shell,$fn=30); 190 sphere(r=fanduct_shell,$fn=30);
156 } 191 }
157 } 192 }
158 } 193 }
159 194
160 // ***output 195 // ***output
161 module output(what,type=type) { 196 module output(what,type=type) {
162 module guideline(xyxy) { 197 module guideline(xyxy) {
163 module pin(xy) { 198 module pin(xy) {
164 translate([xy[0],xy[1],0]) 199 translate([xy[0],xy[1],0])
165 cylinder(d=2*extrusion_width,h=2*fanduct_shell+inlet_h,$fn=6); 200 cylinder(d=2*extrusion_width,h=2*fanduct_shell+inlet_h,$fn=6);
@@ -268,72 +303,110 @@ module fanduct(type=type,ductshape=ductshape,dual=dual) {
268 for(s=[-1,1]) translate([0,s*nozzles_apart/2,-1]) 303 for(s=[-1,1]) translate([0,s*nozzles_apart/2,-1])
269 rotate([0,0,180/cfn]) cylinder(r=hotend_clearance/cos(180/cfn),h=fanduct_h+2*fanduct_shell+2,$fn=cfn); 304 rotate([0,0,180/cfn]) cylinder(r=hotend_clearance/cos(180/cfn),h=fanduct_h+2*fanduct_shell+2,$fn=cfn);
270 } 305 }
271 }else if(what=="out") { 306 }else if(what=="out") {
272 hulls() { 307 hulls() {
273 translate([0,0,fanduct_shell]) cylinder(d=fanduct_w,h=fanduct_h/2-fanduct_shell/2); 308 translate([0,0,fanduct_shell]) cylinder(d=fanduct_w,h=fanduct_h/2-fanduct_shell/2);
274 translate([0,-nozzles_apart/2,-fanduct_elevation+fanduct_blowtarget]) sphere(d=.1); 309 translate([0,-nozzles_apart/2,-fanduct_elevation+fanduct_blowtarget]) sphere(d=.1);
275 } 310 }
276 }else if(what=="airguides") { 311 }else if(what=="airguides") {
277 far = fanduct_ir+fanduct_shell+fanduct_w; 312 far = fanduct_ir+fanduct_shell+fanduct_w;
278 near = fanduct_ir; 313 near = fanduct_ir;
279 union() { 314 union() {
280 for(my=[0,1]) mirror([0,my,0]) { 315 for(my=[0,1]) mirror([0,my,0]) {
281 guideline([ [-far ,0], [0, nozzles_apart/8] ]); 316 guideline([ [-far ,0], [0, nozzles_apart/8] ]);
282 guideline([ [-far ,inlet_w/2/4 ], 317 guideline([ [-far ,inlet_w/2/4 ],
283 [-near ,to_midduct/2] ]); 318 [-near ,to_midduct/2] ]);
284 guideline([ [-near-fanduct_w/3, to_midduct/2 ], 319 guideline([ [-near-fanduct_w/3, to_midduct/2 ],
285 [-near ,nozzles_apart/2+near ] ]); 320 [-near ,nozzles_apart/2+near ] ]);
286 guideline([ [0 ,nozzles_apart/2+near+fanduct_w*space_behind_nozzle/to_midduct] ]); 321 guideline([ [0 ,nozzles_apart/2+near+fanduct_w*space_behind_nozzle/to_midduct] ]);
287 } 322 }
288 } 323 }
289 } 324 }
290 } 325 }
291 326
327 module dual_jets(what=what) {
328 od=fanduct_h*2/3+fanduct_shell;
329 md=fanduct_ir+fanduct_shell+fanduct_w/2;
330 jww = 2*md*sin(jet_angle/2);
331 difference() {
332 for(my=[0,1]) mirror([0,my,0])
333 translate([0,nozzles_apart/2,0])
334 for(a=[45,135]) rotate([0,0,a])
335 if(what=="in") {
336 hull() {
337 intersection() {
338 translate([md-fanduct_w/2,-jww/2,0])
339 cube(size=[fanduct_shell+fanduct_w/2,jww,od]);
340 rotate([0,0,-a]) translate([0,-nozzles_apart/2,0]) duct(what=what);
341 } // intersection
342 translate([0,0,-fanduct_elevation]) sphere(r=.5);
343 } // hull
344 }else if(what=="out") {
345 hull() {
346 intersection() {
347 translate([md-fanduct_w/2,-jww/2+fanduct_shell,fanduct_shell])
348 cube(size=[fanduct_w/2,jww-2*fanduct_shell,od-2*fanduct_shell]);
349 rotate([0,0,-a]) translate([0,-nozzles_apart/2,0]) duct(what=what);
350 } // intersection
351 translate([0,0,-fanduct_elevation]) sphere(r=.5);
352 } // hull
353 } // what=="out"
354 if(what=="in") {
355 translate([0,0,-fanduct_elevation/2-1+epsilon])
356 cube(size=[2*(fanduct_ir+2*fanduct_shell+fanduct_w+1),nozzles_apart+2*(fanduct_ir+2*fanduct_shell+fanduct_w+1),fanduct_elevation+2],center=true);
357 for(my=[0,1]) mirror([0,my,0])
358 translate([0,nozzles_apart/2,-hotend_clearance])
359 cylinder(r1=hotend_clearance*2,r2=0,h=hotend_clearance*2,$fn=4);
360 }
361 } // difference
362 }
363
292 module dual_simple(what=what) { 364 module dual_simple(what=what) {
293 for(my=[0:1]) mirror([0,my,0]) if(what=="in") { 365 for(my=[0:1]) mirror([0,my,0]) if(what=="in") {
294 difference() { 366 difference() {
295 hull() { 367 hull() {
296 translate([0,nozzles_apart/2+fanduct_ir+fanduct_shell+fanduct_w/2,0]) 368 translate([0,nozzles_apart/2+fanduct_ir+fanduct_shell+fanduct_w/2,0])
297 cylinder(d=fanduct_w+2*fanduct_shell,h=fanduct_h*2/3+2*fanduct_shell); 369 cylinder(d=fanduct_w+2*fanduct_shell,h=fanduct_h*2/3+2*fanduct_shell);
298 translate([0,nozzles_apart/2,-fanduct_elevation+fanduct_blowtarget]) 370 translate([0,nozzles_apart/2,-fanduct_elevation+fanduct_blowtarget])
299 rotate([0,90,0]) cylinder(r=.5,h=fanduct_w*2,center=true); 371 rotate([0,90,0]) cylinder(r=.5,h=fanduct_w*2,center=true);
300 } 372 }
301 rr = 2*(fanduct_ir+fanduct_shell*2+fanduct_w+2); 373 rr = 2*(fanduct_ir+fanduct_shell*2+fanduct_w+2);
302 translate([-rr/2,0,0]) mirror([0,0,1]) cube(size=[rr,rr,rr]); 374 translate([-rr/2,0,0]) mirror([0,0,1]) cube(size=[rr,rr,rr]);
303 } 375 }
304 }else if(what=="out") { 376 }else if(what=="out") {
305 hull() { 377 hull() {
306 translate([0,nozzles_apart/2+fanduct_ir+fanduct_shell+fanduct_w/2,fanduct_shell]) 378 translate([0,nozzles_apart/2+fanduct_ir+fanduct_shell+fanduct_w/2,fanduct_shell])
307 cylinder(d=fanduct_w,h=fanduct_h*2/3); 379 cylinder(d=fanduct_w,h=fanduct_h*2/3);
308 translate([0,nozzles_apart/2,-fanduct_elevation+fanduct_blowtarget]) 380 translate([0,nozzles_apart/2,-fanduct_elevation+fanduct_blowtarget])
309 rotate([0,90,0]) cylinder(d=.5,h=fanduct_w*2,center=true); 381 rotate([0,90,0]) cylinder(d=.5,h=fanduct_w*2,center=true);
310 } 382 }
311 } 383 }
312 } 384 }
313 385
314 if(dual) { 386 if(dual) {
315 if(type=="simple") dual_simple(what); 387 if(type=="simple") dual_simple(what);
388 else if(type=="jets") dual_jets(what);
316 else dual(what); 389 else dual(what);
317 }else if(type=="circular") circus(what); 390 }else if(type=="circular") circus(what);
318 else if(type=="3jets") jets(what); 391 else if(type=="3jets") jets(what);
319 } 392 }
320 393
321 // ***air intake 394 // ***air intake
322 module intake(what) { 395 module intake(what) {
323 module placeit() { 396 module placeit() {
324 translate([-fanduct_ir-2*fanduct_shell-fanduct_w-inlet_away,0,fanduct_shell]) 397 translate([-fanduct_ir-2*fanduct_shell-fanduct_w-inlet_away,0,fanduct_shell])
325 rotate([0,-90,0]) 398 rotate([0,-90,0])
326 children(); 399 children();
327 } 400 }
328 if(what=="in") { 401 if(what=="in") {
329 placeit() translate([0,-inlet_w/2,0]) { 402 placeit() translate([0,-inlet_w/2,0]) {
330 difference() { 403 difference() {
331 cube(size=[inlet_h,inlet_w,inlet_long_l+fanduct_shell]); translate([inlet_h+fanduct_shell,0,inlet_long_l+fanduct_shell]) 404 cube(size=[inlet_h,inlet_w,inlet_long_l+fanduct_shell]); translate([inlet_h+fanduct_shell,0,inlet_long_l+fanduct_shell])
332 rotate([-90,0,0]) 405 rotate([-90,0,0])
333 translate([0,0,-1]) 406 translate([0,0,-1])
334 cylinder(r=inlet_h,h=inlet_w+2*fanduct_shell+2,$fn=inlet_h*4); 407 cylinder(r=inlet_h,h=inlet_w+2*fanduct_shell+2,$fn=inlet_h*4);
335 } 408 }
336 // supports 409 // supports
337 for(i=[-1,0,1]) 410 for(i=[-1,0,1])
338 translate([-fanduct_shell, 411 translate([-fanduct_shell,
339 (i+1)*(inlet_w-extrusion_width)/2, 412 (i+1)*(inlet_w-extrusion_width)/2,
@@ -343,49 +416,49 @@ module fanduct(type=type,ductshape=ductshape,dual=dual) {
343 inlet_long_l+fanduct_shell+inlet_away+fanduct_w/2]); 416 inlet_long_l+fanduct_shell+inlet_away+fanduct_w/2]);
344 } 417 }
345 hull() { 418 hull() {
346 placeit() translate([-fanduct_shell,-inlet_w/2-fanduct_shell,0]) 419 placeit() translate([-fanduct_shell,-inlet_w/2-fanduct_shell,0])
347 cube(size=[inlet_h+2*fanduct_shell,inlet_w+2*fanduct_shell,fanduct_shell]); 420 cube(size=[inlet_h+2*fanduct_shell,inlet_w+2*fanduct_shell,fanduct_shell]);
348 translate([-fanduct_ir-fanduct_shell-fanduct_w/2,0,0]) 421 translate([-fanduct_ir-fanduct_shell-fanduct_w/2,0,0])
349 translate([0,-inlet_w/2-fanduct_shell/2,0]) 422 translate([0,-inlet_w/2-fanduct_shell/2,0])
350 cube(size=[1,inlet_w+fanduct_shell,fanduct_shell*2+fanduct_h]); 423 cube(size=[1,inlet_w+fanduct_shell,fanduct_shell*2+fanduct_h]);
351 } 424 }
352 }else if(what=="out") { 425 }else if(what=="out") {
353 placeit() translate([fanduct_shell,-inlet_w/2+fanduct_shell,0]) 426 placeit() translate([fanduct_shell,-inlet_w/2+fanduct_shell,0])
354 cube(size=[inlet_h-2*fanduct_shell,inlet_w-2*fanduct_shell,inlet_long_l+fanduct_shell+1]); 427 cube(size=[inlet_h-2*fanduct_shell,inlet_w-2*fanduct_shell,inlet_long_l+fanduct_shell+1]);
355 hull() { 428 hull() {
356 placeit() translate([fanduct_shell,-inlet_w/2+fanduct_shell,0]) 429 placeit() translate([fanduct_shell,-inlet_w/2+fanduct_shell,0])
357 cube(size=[inlet_h-2*fanduct_shell,inlet_w-2*fanduct_shell,fanduct_shell]); 430 cube(size=[inlet_h-2*fanduct_shell,inlet_w-2*fanduct_shell,fanduct_shell]);
358 translate([-fanduct_ir-fanduct_shell-fanduct_w/2,0,fanduct_shell]) 431 translate([-fanduct_ir-fanduct_shell-fanduct_w/2,0,fanduct_shell])
359 translate([0,-inlet_w/2+fanduct_shell,0]) 432 translate([0,-inlet_w/2+fanduct_shell,0])
360 cube(size=[1,inlet_w-2*fanduct_shell,fanduct_h]); 433 cube(size=[1,inlet_w-2*fanduct_shell,fanduct_h]);
361 } 434 }
362 } 435 }
363 } 436 }
364 437
365 // ***DUCT TAILS!!! WOO-OO! (every day they're out there making duct tails…) 438 // ***DUCT TAILS!!! WOO-OO! (every day they're out there making duct tails…)
366 module tails(what) { 439 module tails(what) {
367 if(dual) { 440 if(dual && type=="simple") {
368 // XXX: not sure if it will ever be 441 // XXX: not sure if it will ever be
369 }else{ 442 }else{
370 if(what=="in") { 443 if(what=="in") {
371 for(mx=[0,1]) mirror([mx,0,0]) 444 for(mx=[0,1]) mirror([mx,0,0])
372 translate([fanduct_ir+fanduct_shell+fanduct_w/2,0,fanduct_shell+fanduct_h/2]) 445 translate([fanduct_ir+fanduct_shell+fanduct_w/2,0,fanduct_shell+fanduct_h/2])
373 rotate([90,0,90]) 446 rotate([90,0,90])
374 translate([0,0,-snapper_d/2]) 447 translate([0,0,-snapper_d/2])
375 snapper(d=snapper_d,o=snapper_overlap,side=0,l=fanduct_h*3/2+fanduct_shell); 448 snapper(d=snapper_d,o=snapper_overlap,side=0,l=fanduct_h*3/2+fanduct_shell);
376 } 449 }
377 } 450 }
378 } 451 }
379 452
380 module parts(what) { 453 module parts(what) {
381 union() { 454 union() {
382 duct(what); 455 duct(what);
383 marks(what); 456 marks(what);
384 output(what); 457 output(what);
385 intake(what); 458 intake(what);
386 tails(what); 459 tails(what);
387 } 460 }
388 } 461 }
389 462
390 difference() { 463 difference() {
391 parts("in"); 464 parts("in");