-rw-r--r-- | another.scad | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/another.scad b/another.scad index dbd20f3..7a3b0ac 100644 --- a/another.scad +++ b/another.scad | |||
@@ -280,146 +280,146 @@ module the_extruder( | |||
280 | cylinder(r=r,h=ls_h,center=true); | 280 | cylinder(r=r,h=ls_h,center=true); |
281 | translate([-r-1,0,-ls_h/2-1]) cube(size=[2*r+2,r+1,ls_h+2]); | 281 | translate([-r-1,0,-ls_h/2-1]) cube(size=[2*r+2,r+1,ls_h+2]); |
282 | } | 282 | } |
283 | 283 | ||
284 | // back side cutout | 284 | // back side cutout |
285 | a0 = asin((mount_screwhead_d+2*extrusion_width)/mount_d); | 285 | a0 = asin((mount_screwhead_d+2*extrusion_width)/mount_d); |
286 | a1 = atan((longwing-lever_thickness/2)/(gearbox_d/2)); | 286 | a1 = atan((longwing-lever_thickness/2)/(gearbox_d/2)); |
287 | translate([0,0,ls_z]) hull() { | 287 | translate([0,0,ls_z]) hull() { |
288 | rotate([0,0,-180+a0]) | 288 | rotate([0,0,-180+a0]) |
289 | rotate_extrude(angle=a1-a0) | 289 | rotate_extrude(angle=a1-a0) |
290 | translate([0,-ls_h/2]) | 290 | translate([0,-ls_h/2]) |
291 | square([sqrt(pow(gearbox_d/2,2)+pow(longwing-lever_thickness/2,2))+1, | 291 | square([sqrt(pow(gearbox_d/2,2)+pow(longwing-lever_thickness/2,2))+1, |
292 | ls_h]); | 292 | ls_h]); |
293 | cylinder(d=bore_d/2/*TODO:recalculate angles based on this, | 293 | cylinder(d=bore_d/2/*TODO:recalculate angles based on this, |
294 | too lazy to do that now*/, | 294 | too lazy to do that now*/, |
295 | h=ls_h,center=true); | 295 | h=ls_h,center=true); |
296 | } | 296 | } |
297 | 297 | ||
298 | rotate([0,0,-45]) | 298 | rotate([0,0,-45]) |
299 | translate([0,0,ls_z-ls_h/2]) | 299 | translate([0,0,ls_z-ls_h/2]) |
300 | cube(size=[gearbox_d,gearbox_d,lever_thickness+lever_v_clearance]); | 300 | cube(size=[gearbox_d,gearbox_d,lever_thickness+lever_v_clearance]); |
301 | translate([0,0,ls_z-ls_h/2]) { | 301 | translate([0,0,ls_z-ls_h/2]) { |
302 | translate([mount_screwhead_d/2,0,0]) | 302 | translate([mount_screwhead_d/2,0,0]) |
303 | mirror([0,1,0]) | 303 | mirror([0,1,0]) |
304 | cube(size=[gearbox_d,gearbox_d/2+1,lever_thickness+lever_v_clearance]); | 304 | cube(size=[gearbox_d,gearbox_d/2+1,lever_thickness+lever_v_clearance]); |
305 | } | 305 | } |
306 | //translate([-mount_d/2,-longwing,filament_elevation]) | 306 | //translate([-mount_d/2,-longwing,filament_elevation]) |
307 | if(!tensioner) /* XXX: this seems to be bullshit, but it's so old, that it's historical bullshit */ | 307 | if(!tensioner) /* XXX: this seems to be bullshit, but it's so old, that it's historical bullshit */ |
308 | translate([mount_d/2,-longwing,filament_elevation]) | 308 | translate([mount_d/2,-longwing,filament_elevation]) |
309 | rotate([0,-90,0]) difference() { | 309 | rotate([0,-90,0]) difference() { |
310 | cylinder(d=spring_d+spring_d_clearance,h=spring_lc+spring_dl,$fn=fnd*(spring_d+spring_d_clearance)); | 310 | cylinder(d=spring_d+spring_d_clearance,h=spring_lc+spring_dl,$fn=fnd*(spring_d+spring_d_clearance)); |
311 | translate([0,0,spring_lc+spring_dl]) sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4); | 311 | translate([0,0,spring_lc+spring_dl]) sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4); |
312 | } | 312 | } |
313 | 313 | ||
314 | }//difference | 314 | }//difference |
315 | 315 | ||
316 | if(supports) intersection() { | 316 | if(supports) intersection() { |
317 | difference() { | 317 | difference() { |
318 | translate([0,0,ls_z-ls_h/2-epsilon]) | 318 | translate([0,0,ls_z-ls_h/2-epsilon]) |
319 | cylinder(d=gearbox_d,h=ls_h+2*epsilon,$fn=fnd*gearbox_d); | 319 | cylinder(d=gearbox_d,h=ls_h+2*epsilon,$fn=fnd*gearbox_d); |
320 | cylinder(d=pulley_d+pulley_clearance,h=body_h+1,$fn=fnd*(pulley_d+pulley_clearance)); | 320 | cylinder(d=pulley_d+pulley_clearance,h=body_h+1,$fn=fnd*(pulley_d+pulley_clearance)); |
321 | } | 321 | } |
322 | // supports | 322 | // supports |
323 | // TODO: hardcoded stuff below… | 323 | // TODO: hardcoded stuff below… |
324 | if(false) { // parallel | 324 | if(false) { // parallel |
325 | for(y=[-gearbox_d:4:gearbox_d]) | 325 | for(y=[-gearbox_d:4:gearbox_d]) |
326 | translate([0,y-extrusion_width/2,0]) | 326 | translate([0,y-extrusion_width/2,0]) |
327 | cube(size=[gearbox_d,extrusion_width,body_h]); | 327 | cube(size=[gearbox_d,extrusion_width,body_h]); |
328 | }else{ // radial | 328 | }else{ // radial |
329 | for(zr=[-65:(65+50)/7:50]) | 329 | for(zr=[-65:(65+50)/7:50]) |
330 | rotate([0,0,zr]) translate([0,-extrusion_width/2,0]) | 330 | rotate([0,0,zr]) translate([0,-extrusion_width/2,0]) |
331 | cube(size=[gearbox_d,extrusion_width,body_h]); | 331 | cube(size=[gearbox_d,extrusion_width,body_h]); |
332 | } | 332 | } |
333 | } | 333 | } |
334 | 334 | ||
335 | }//body module | 335 | }//body module |
336 | 336 | ||
337 | module springpad() { | 337 | module springpad() { |
338 | smalld=st_screw_d+2*extrusion_width; | 338 | smalld=st_screw_d+2*extrusion_width; |
339 | bigd = spring_d+spring_d_clearance/2; | 339 | bigd = spring_d+spring_d_clearance/2; |
340 | hf = (bigd-smalld)/2; | 340 | hf = (bigd-smalld)/2; |
341 | translate([-gearbox_d/2+st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+1,-longwing,filament_elevation]) | 341 | translate([-gearbox_d/2+st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+1,-longwing,filament_elevation]) |
342 | rotate([0,90,0]) difference() { | 342 | rotate([0,90,0]) difference() { |
343 | union() { | 343 | union() { |
344 | cylinder(d1=smalld,d2=bigd,h=hf,$fn=fnd*bigd); | 344 | cylinder(d1=smalld,d2=bigd,h=hf,$fn=fnd*bigd); |
345 | translate([0,0,hf-epsilon]) | 345 | translate([0,0,hf-epsilon]) |
346 | cylinder(d=bigd,h=hf*2,$fn=fnd*bigd); | 346 | cylinder(d=bigd,h=hf*2,$fn=fnd*bigd); |
347 | translate([0,0,3*hf]) | 347 | translate([0,0,3*hf]) |
348 | sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4); | 348 | sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4); |
349 | } | 349 | } |
350 | translate([0,0,-epsilon]) | 350 | translate([0,0,-epsilon]) |
351 | cylinder(d=st_screw_d,h=2*hf+epsilon,$fn=fnd*st_screw_d); | 351 | cylinder(d=st_screw_d,h=2*hf+epsilon,$fn=fnd*st_screw_d); |
352 | } | 352 | } |
353 | } | 353 | } |
354 | 354 | ||
355 | module knob() { | 355 | module knob() { |
356 | ch = knob_indent_d/2; | 356 | ch = knob_indent_d/2; |
357 | translate([0,0,body_h+epsilon]) { | 357 | translate([0,0,body_h+epsilon]) { |
358 | mirror([0,0,1]) translate([0,0,-epsilon]) { | 358 | mirror([0,0,1]) translate([0,0,-epsilon]) { |
359 | difference() { | 359 | difference() { |
360 | cylinder(d=pulley_d,h=knob_bore_l,$fn=fnd*pulley_d); | 360 | cylinder(d=pulley_d,h=knob_bore_l,$fn=fnd*pulley_d); |
361 | translate([0,0,-1]) difference() { | 361 | translate([0,0,-1]) difference() { |
362 | cylinder(d=bore_d+knob_bore_d_tolerance,h=knob_bore_l+2); | 362 | cylinder(d=bore_d+knob_bore_d_tolerance,h=knob_bore_l+2); |
363 | translate([-bore_d/2-1,bore_dd-bore_d/2+knob_bore_d_tolerance/2,-1]) | 363 | translate([-bore_d/2-1,bore_dd-bore_d/2+knob_bore_d_tolerance/2,-1]) |
364 | cube([bore_d+2,bore_d/2,knob_bore_l+4]); | 364 | cube([bore_d+2,bore_d/2,knob_bore_l+4]); |
365 | } | 365 | } |
366 | } | 366 | } |
367 | } | 367 | } |
368 | difference() { | 368 | difference() { |
369 | union() { | 369 | union() { |
370 | cylinder(d1=gearbox_d-2*ch,d2=gearbox_d,h=ch+epsilon,$fn=fnd*gearbox_d); | 370 | cylinder(d1=gearbox_d-2*ch,d2=gearbox_d,h=ch+epsilon,$fn=fnd*gearbox_d); |
371 | translate([0,0,ch]) | 371 | translate([0,0,ch]) |
372 | cylinder(d=gearbox_d,h=knob_h-2*ch+epsilon,$fn=fnd*gearbox_d); | 372 | cylinder(d=gearbox_d,h=knob_h-2*ch+epsilon,$fn=fnd*gearbox_d); |
373 | translate([0,0,knob_h-ch]) | 373 | translate([0,0,knob_h-ch]) |
374 | cylinder(d1=gearbox_d,d2=gearbox_d-2*ch,h=ch,$fn=fnd*gearbox_d); | 374 | cylinder(d1=gearbox_d,d2=gearbox_d-2*ch,h=ch,$fn=fnd*gearbox_d); |
375 | } | 375 | } |
376 | for(a=[0:360/knob_indents:359]) rotate([0,0,a]) | 376 | for(a=[0:360/knob_indents:359]) rotate([0,0,a]) |
377 | translate([0,gearbox_d/2,-1]) | 377 | translate([0,gearbox_d/2,-1]) |
378 | cylinder(d=knob_indent_d,h=knob_h+2,$fn=fnd*knob_indent_d); | 378 | cylinder(d=knob_indent_d,h=knob_h+2,$fn=fnd*knob_indent_d); |
379 | } | 379 | } |
380 | } | 380 | } |
381 | }//knob module | 381 | }//knob module |
382 | 382 | ||
383 | module debug() { | 383 | module debug() { |
384 | difference() { | 384 | difference() { |
385 | children(); | 385 | children(); |
386 | if(debug) { | 386 | if(debug) { |
387 | // spring tensioner debug cutout | 387 | // spring tensioner debug cutout |
388 | if(tensioner) // TODO: collaps copypasted transformations | 388 | if(tensioner) // TODO: collaps copypasted transformations |
389 | translate([-gearbox_d/2,0,0]) | 389 | translate([-gearbox_d/2,0,0]) |
390 | translate([0,-longwing,ls_z]) rotate([0,-90,0]) | 390 | translate([0,-longwing,ls_z]) rotate([0,-90,0]) |
391 | translate([0,-lever_thickness/2-1,-gearbox_d]) | 391 | translate([0,-lever_thickness/2-1,-gearbox_d]) |
392 | cube(size=[body_h/2+1,lever_thickness/2+1,gearbox_d+2]); | 392 | cube(size=[body_h/2+1,lever_thickness/2+1,gearbox_d+2]); |
393 | // lever axis debug cutout | 393 | // lever axis debug cutout |
394 | translate([mount_d/2,0,-1]) | 394 | translate([mount_d/2,0,-1]) |
395 | rotate([0,0,-45]) | 395 | rotate([0,0,-45]) |
396 | cube(size=[gearbox_d-mount_d,gearbox_d-mount_d,body_h+knob_h+2]); | 396 | cube(size=[gearbox_d-mount_d,gearbox_d-mount_d,body_h+knob_h+2]); |
397 | // idler debug cutout | 397 | // idler debug cutout |
398 | translate([0,0,ls_z]) | 398 | translate([0,0,ls_z]) |
399 | place_idler() | 399 | place_idler() |
400 | rotate([0,0,-45]) | 400 | rotate([0,0,-45]) |
401 | translate([0,0,-lever_thickness/2-epsilon]) | 401 | translate([0,0,-lever_thickness/2-epsilon]) |
402 | cube(size=[(idler_d+idler_clearance)/2,(idler_d+idler_clearance)/2, | 402 | cube(size=[(idler_d+idler_clearance)/2,(idler_d+idler_clearance)/2, |
403 | lever_thickness+2*epsilon]); | 403 | lever_thickness+2*epsilon]); |
404 | }//if debug | 404 | }//if debug |
405 | }//difference | 405 | }//difference |
406 | } | 406 | } |
407 | 407 | ||
408 | debug() | ||
409 | mirrorleft() | 408 | mirrorleft() |
409 | debug() | ||
410 | if(what=="lever") color("green",0.7) lever(); | 410 | if(what=="lever") color("green",0.7) lever(); |
411 | else if(what=="body") color("yellow",0.7) body(); | 411 | else if(what=="body") color("yellow",0.7) body(); |
412 | else if(what=="knob") color("red",0.7) knob(); | 412 | else if(what=="knob") color("red",0.7) knob(); |
413 | else if(what=="springpad") color("blue",0.7) springpad(); | 413 | else if(what=="springpad") color("blue",0.7) springpad(); |
414 | else if(what=="both") { | 414 | else if(what=="both") { |
415 | color("green",0.7) lever(); | 415 | color("green",0.7) lever(); |
416 | color("yellow",0.7) body(); | 416 | color("yellow",0.7) body(); |
417 | }else{ | 417 | }else{ |
418 | color("green",0.7) lever(); | 418 | color("green",0.7) lever(); |
419 | color("yellow",0.7) body(); | 419 | color("yellow",0.7) body(); |
420 | color("red",0.7) knob(); | 420 | color("red",0.7) knob(); |
421 | color("blue",0.7) springpad(); | 421 | color("blue",0.7) springpad(); |
422 | } | 422 | } |
423 | } | 423 | } |
424 | 424 | ||
425 | the_extruder(what="both",left=false); | 425 | the_extruder(what="both",left=false); |