-rw-r--r-- | another.scad | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/another.scad b/another.scad index f01e765..3955e49 100644 --- a/another.scad +++ b/another.scad | |||
@@ -316,162 +316,168 @@ module the_extruder( | |||
316 | square([gearbox_d/2+1,ls_h]); | 316 | square([gearbox_d/2+1,ls_h]); |
317 | } | 317 | } |
318 | 318 | ||
319 | // back side cutout | 319 | // back side cutout |
320 | // XXX: this is somewhat ugly and potentially bugged, | 320 | // XXX: this is somewhat ugly and potentially bugged, |
321 | // but I want to sleep. | 321 | // but I want to sleep. |
322 | a0_ = atan( | 322 | a0_ = atan( |
323 | (mount_d/sqrt(2)/2+mount_screw_d+pf_h(pf)+gearbox_d/2) | 323 | (mount_d/sqrt(2)/2+mount_screw_d+pf_h(pf)+gearbox_d/2) |
324 | / | 324 | / |
325 | ( | 325 | ( |
326 | pulley_d/2+filament_offset- | 326 | pulley_d/2+filament_offset- |
327 | (pf_d(pf)+2*pf_shell)/2/cos(30) | 327 | (pf_d(pf)+2*pf_shell)/2/cos(30) |
328 | ) | 328 | ) |
329 | ); | 329 | ); |
330 | a0 = -135 + ( (a0_>0) ? a0_ : 180+a0_ ); | 330 | a0 = -135 + ( (a0_>0) ? a0_ : 180+a0_ ); |
331 | a1 = atan((longwing-lever_thickness/2)/(gearbox_d/2)); | 331 | a1 = atan((longwing-lever_thickness/2)/(gearbox_d/2)); |
332 | translate([0,0,ls_z]) difference() { | 332 | translate([0,0,ls_z]) difference() { |
333 | rotate([0,0,-180+a0]) | 333 | rotate([0,0,-180+a0]) |
334 | rotate_extrude(angle=a1-a0) | 334 | rotate_extrude(angle=a1-a0) |
335 | translate([0,-ls_h/2]) | 335 | translate([0,-ls_h/2]) |
336 | square([sqrt(pow(gearbox_d/2,2)+pow(longwing-lever_thickness/2,2))+1, | 336 | square([sqrt(pow(gearbox_d/2,2)+pow(longwing-lever_thickness/2,2))+1, |
337 | ls_h]); | 337 | ls_h]); |
338 | translate([-mount_d/2,0,0]) | 338 | translate([-mount_d/2,0,0]) |
339 | cylinder(d=gearbox_d-mount_d,h=ls_h+2,center=true,$fn=fnd*(gearbox_d-mount_d)); | 339 | cylinder(d=gearbox_d-mount_d,h=ls_h+2,center=true,$fn=fnd*(gearbox_d-mount_d)); |
340 | }//difference translate | 340 | }//difference translate |
341 | 341 | ||
342 | // spring tensioner | 342 | // spring tensioner |
343 | translate([-gearbox_d/2,-longwing,ls_z]) rotate([0,-90,0]) { | 343 | translate([-gearbox_d/2,-longwing,ls_z]) rotate([0,-90,0]) { |
344 | mirror([0,0,1]) { | 344 | mirror([0,0,1]) { |
345 | translate([0,0,st_thickshell]) | 345 | translate([0,0,st_thickshell]) |
346 | hull() for(o=[0,spring_d]) translate([0,-o,0]) | 346 | hull() for(o=[0,spring_d]) translate([0,-o,0]) |
347 | rotate([0,0,30]) | 347 | rotate([0,0,30]) |
348 | cylinder(d=st_nut_d+st_nut_d_tolerance,h=st_nut_h+st_nut_h_tolerance,$fn=6); | 348 | cylinder(d=st_nut_d+st_nut_d_tolerance,h=st_nut_h+st_nut_h_tolerance,$fn=6); |
349 | translate([0,0,-1]) cylinder(d=st_screw_d+st_screw_d_tolerance,h=fsw+2,$fn=fnd*(st_screw_d+st_screw_d_tolerance)); | 349 | translate([0,0,-1]) cylinder(d=st_screw_d+st_screw_d_tolerance,h=fsw+2,$fn=fnd*(st_screw_d+st_screw_d_tolerance)); |
350 | bigd = spring_d+spring_d_clearance; | 350 | bigd = spring_d+spring_d_clearance; |
351 | hf = (bigd-st_screw_d-st_screw_d_tolerance)/2; | 351 | hf = (bigd-st_screw_d-st_screw_d_tolerance)/2; |
352 | translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell-epsilon]) { | 352 | translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell-epsilon]) { |
353 | cylinder(d1=st_screw_d+st_screw_d_tolerance,d2=bigd, | 353 | cylinder(d1=st_screw_d+st_screw_d_tolerance,d2=bigd, |
354 | h=hf+epsilon, $fn=fnd*bigd); | 354 | h=hf+epsilon, $fn=fnd*bigd); |
355 | translate([0,-(st_split_w+st_split_w_tolerance)/2,0]) | 355 | translate([0,-(st_split_w+st_split_w_tolerance)/2,0]) |
356 | cube(size=[body_h-ls_z+1,st_split_w+st_split_w_tolerance,fsw+1]); | 356 | cube(size=[body_h-ls_z+1,st_split_w+st_split_w_tolerance,fsw+1]); |
357 | }//translate | 357 | }//translate |
358 | translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+hf-epsilon]) | 358 | translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+hf-epsilon]) |
359 | cylinder(d=bigd,h=fsw+1,$fn=fnd*bigd); | 359 | cylinder(d=bigd,h=fsw+1,$fn=fnd*bigd); |
360 | }//mirror | 360 | }//mirror |
361 | }//translate | 361 | }//translate |
362 | 362 | ||
363 | // label | 363 | // label |
364 | if(body_label) let(label=body_label,label_thickness=body_label_thickness) { | 364 | body_label(); |
365 | label_thickness = 2*layer_height; | ||
366 | label_len = len(label); | ||
367 | labelspace = [gearbox_d/2-mount_screwhead_d/2-min_xy_shell,longwing-(mount_screwhead_d-st_split_w-st_split_w_tolerance)/2-2*min_xy_shell]; | ||
368 | translate([0,0,body_h-label_thickness]) | ||
369 | linear_extrude(height=label_thickness+epsilon,convexity=64) | ||
370 | translate([-mount_screwhead_d/2-min_xy_shell-labelspace.x/2,-longwing+(st_split_w+st_split_w_tolerance)/2+min_xy_shell+labelspace.y/2]) | ||
371 | mirror([left?0:1,0]) | ||
372 | text(text=label,size=labelspace.x/label_len,halign="center",valign="center",font="Arial Black"); | ||
373 | }//if(body_label) | ||
374 | 365 | ||
375 | }//difference | 366 | }//difference |
376 | 367 | ||
377 | }//body module | 368 | }//body module |
369 | module body_label() { | ||
370 | if(body_label) { | ||
371 | label=body_label; | ||
372 | label_thickness=body_label_thickness; | ||
373 | label_len = len(label); | ||
374 | labelspace = [gearbox_d/2-mount_screwhead_d/2-min_xy_shell,longwing-(mount_screwhead_d-st_split_w-st_split_w_tolerance)/2-2*min_xy_shell]; | ||
375 | translate([0,0,body_h-label_thickness]) | ||
376 | linear_extrude(height=label_thickness+epsilon,convexity=64) | ||
377 | translate([-mount_screwhead_d/2-min_xy_shell-labelspace.x/2,-longwing+(st_split_w+st_split_w_tolerance)/2+min_xy_shell+labelspace.y/2]) | ||
378 | mirror([left?0:1,0]) | ||
379 | text(text=label,size=labelspace.x/label_len,halign="center",valign="center",font="Arial Black"); | ||
380 | }//if(body_label) | ||
381 | } | ||
378 | 382 | ||
379 | module springpad() { | 383 | module springpad() { |
380 | smalld=st_screw_d+st_screw_d_tolerance+min_xy_shell; | 384 | smalld=st_screw_d+st_screw_d_tolerance+min_xy_shell; |
381 | bigd = spring_d+spring_d_clearance/2; | 385 | bigd = spring_d+spring_d_clearance/2; |
382 | hf = (bigd-smalld)/2; | 386 | hf = (bigd-smalld)/2; |
383 | h = hf*3.5; | 387 | h = hf*3.5; |
384 | translate([-gearbox_d/2+st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+1,-longwing,filament_elevation]) | 388 | translate([-gearbox_d/2+st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+1,-longwing,filament_elevation]) |
385 | rotate([0,90,0]) difference() { | 389 | rotate([0,90,0]) difference() { |
386 | union() { | 390 | union() { |
387 | cylinder(d1=smalld,d2=bigd,h=hf,$fn=fnd*bigd); | 391 | cylinder(d1=smalld,d2=bigd,h=hf,$fn=fnd*bigd); |
388 | translate([0,0,hf-epsilon]) | 392 | translate([0,0,hf-epsilon]) |
389 | cylinder(d=bigd,h=h-hf,$fn=fnd*bigd); | 393 | cylinder(d=bigd,h=h-hf,$fn=fnd*bigd); |
390 | translate([0,0,h]) | 394 | translate([0,0,h]) |
391 | sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4); | 395 | sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4); |
392 | l = body_h-ls_z; | 396 | l = body_h-ls_z; |
393 | w = st_split_w; | 397 | w = st_split_w; |
394 | hull() translate([0,-st_split_w/2,0]) mirror([1,0,0]) { | 398 | hull() translate([0,-st_split_w/2,0]) mirror([1,0,0]) { |
395 | translate([0,0,w]) | 399 | translate([0,0,w]) |
396 | cube(size=[l,st_split_w,w]); | 400 | cube(size=[l,st_split_w,w]); |
397 | cube(size=[l-w,st_split_w,2*w]); | 401 | cube(size=[l-w,st_split_w,2*w]); |
398 | } | 402 | } |
399 | } | 403 | } |
400 | translate([0,0,-epsilon]) | 404 | translate([0,0,-epsilon]) |
401 | cylinder(d=st_screw_d+st_screw_d_tolerance,h=2*hf+epsilon,$fn=fnd*(st_screw_d+st_screw_d_tolerance)); | 405 | cylinder(d=st_screw_d+st_screw_d_tolerance,h=2*hf+epsilon,$fn=fnd*(st_screw_d+st_screw_d_tolerance)); |
402 | } | 406 | } |
403 | } | 407 | } |
404 | 408 | ||
405 | module knob() { | 409 | module knob() { |
406 | ch = knob_indent_d/2; | 410 | ch = knob_indent_d/2; |
407 | translate([0,0,body_h+epsilon]) { | 411 | translate([0,0,body_h+epsilon]) { |
408 | mirror([0,0,1]) translate([0,0,-epsilon]) { | 412 | mirror([0,0,1]) translate([0,0,-epsilon]) { |
409 | difference() { | 413 | difference() { |
410 | cylinder(d=pulley_d,h=knob_bore_l,$fn=fnd*pulley_d); | 414 | cylinder(d=pulley_d,h=knob_bore_l,$fn=fnd*pulley_d); |
411 | translate([0,0,-1]) difference() { | 415 | translate([0,0,-1]) difference() { |
412 | cylinder(d=bore_d+knob_bore_d_tolerance,h=knob_bore_l+2); | 416 | cylinder(d=bore_d+knob_bore_d_tolerance,h=knob_bore_l+2); |
413 | translate([-bore_d/2-1,bore_dd-bore_d/2+knob_bore_d_tolerance/2,-1]) | 417 | translate([-bore_d/2-1,bore_dd-bore_d/2+knob_bore_d_tolerance/2,-1]) |
414 | cube([bore_d+2,bore_d/2,knob_bore_l+4]); | 418 | cube([bore_d+2,bore_d/2,knob_bore_l+4]); |
415 | } | 419 | } |
416 | } | 420 | } |
417 | } | 421 | } |
418 | difference() { | 422 | difference() { |
419 | union() { | 423 | union() { |
420 | cylinder(d1=gearbox_d-2*ch,d2=gearbox_d,h=ch+epsilon,$fn=fnd*gearbox_d); | 424 | cylinder(d1=gearbox_d-2*ch,d2=gearbox_d,h=ch+epsilon,$fn=fnd*gearbox_d); |
421 | translate([0,0,ch]) | 425 | translate([0,0,ch]) |
422 | cylinder(d=gearbox_d,h=knob_h-2*ch+epsilon,$fn=fnd*gearbox_d); | 426 | cylinder(d=gearbox_d,h=knob_h-2*ch+epsilon,$fn=fnd*gearbox_d); |
423 | translate([0,0,knob_h-ch]) | 427 | translate([0,0,knob_h-ch]) |
424 | cylinder(d1=gearbox_d,d2=gearbox_d-2*ch,h=ch,$fn=fnd*gearbox_d); | 428 | cylinder(d1=gearbox_d,d2=gearbox_d-2*ch,h=ch,$fn=fnd*gearbox_d); |
425 | } | 429 | } |
426 | for(a=[0:360/knob_indents:359]) rotate([0,0,a]) | 430 | for(a=[0:360/knob_indents:359]) rotate([0,0,a]) |
427 | translate([0,gearbox_d/2,-1]) | 431 | translate([0,gearbox_d/2,-1]) |
428 | cylinder(d=knob_indent_d,h=knob_h+2,$fn=fnd*knob_indent_d); | 432 | cylinder(d=knob_indent_d,h=knob_h+2,$fn=fnd*knob_indent_d); |
429 | } | 433 | } |
430 | } | 434 | } |
431 | }//knob module | 435 | }//knob module |
432 | 436 | ||
433 | module debug() { | 437 | module debug() { |
434 | difference() { | 438 | difference() { |
435 | children(); | 439 | children(); |
436 | if(debug) { | 440 | if(debug) { |
437 | // spring tensioner debug cutout | 441 | // spring tensioner debug cutout |
438 | translate([-gearbox_d/2,-longwing,ls_z]) rotate([0,-90,0]) | 442 | translate([-gearbox_d/2,-longwing,ls_z]) rotate([0,-90,0]) |
439 | translate([0,-lever_thickness/2-1,-gearbox_d]) | 443 | translate([0,-lever_thickness/2-1,-gearbox_d]) |
440 | cube(size=[body_h/2+1,lever_thickness/2+1,gearbox_d+2]); | 444 | cube(size=[body_h/2+1,lever_thickness/2+1,gearbox_d+2]); |
441 | // lever axis debug cutout | 445 | // lever axis debug cutout |
442 | translate([mount_d/2,0,-1]) | 446 | translate([mount_d/2,0,-1]) |
443 | rotate([0,0,-45]) | 447 | rotate([0,0,-45]) |
444 | cube(size=[gearbox_d-mount_d,gearbox_d-mount_d,body_h+knob_h+2]); | 448 | cube(size=[gearbox_d-mount_d,gearbox_d-mount_d,body_h+knob_h+2]); |
445 | // idler debug cutout | 449 | // idler debug cutout |
446 | translate([0,0,ls_z]) | 450 | translate([0,0,ls_z]) |
447 | place_idler() | 451 | place_idler() |
448 | rotate([0,0,-45]) | 452 | rotate([0,0,-45]) |
449 | translate([0,0,-lever_thickness/2-epsilon]) | 453 | translate([0,0,-lever_thickness/2-epsilon]) |
450 | cube(size=[lsd*sqrt(2)/2+1,lsd*sqrt(2)/2+1, | 454 | cube(size=[lsd*sqrt(2)/2+1,lsd*sqrt(2)/2+1, |
451 | lever_thickness+2*epsilon]); | 455 | lever_thickness+2*epsilon]); |
452 | // pushfit debug cutout | 456 | // pushfit debug cutout |
453 | place_idler() | 457 | place_idler() |
454 | translate([-idler_d/2+filament_offset,0,ls_z]) | 458 | translate([-idler_d/2+filament_offset,0,ls_z]) |
455 | cube(size=[gearbox_d/2,gearbox_d/2+pf_h(pf),body_h-ls_z+knob_h+1]); | 459 | cube(size=[gearbox_d/2,gearbox_d/2+pf_h(pf),body_h-ls_z+knob_h+1]); |
456 | }//if debug | 460 | }//if debug |
457 | }//difference | 461 | }//difference |
458 | } | 462 | } |
459 | 463 | ||
460 | mirrorleft() | 464 | mirrorleft() |
461 | debug() | 465 | debug() |
462 | if(what=="lever") color("green",0.7) lever(); | 466 | if(what=="lever") color("green",0.7) lever(); |
463 | else if(what=="body") color("yellow",0.7) body(); | 467 | else if(what=="body") color("yellow",0.7) body(); |
468 | else if(what=="body.label") color("brown",0.7) body_label(); | ||
464 | else if(what=="knob") color("red",0.7) knob(); | 469 | else if(what=="knob") color("red",0.7) knob(); |
465 | else if(what=="springpad") color("blue",0.7) springpad(); | 470 | else if(what=="springpad") color("blue",0.7) springpad(); |
466 | else if(what=="both") { | 471 | else if(what=="both") { |
467 | color("green",0.7) lever(); | 472 | color("green",0.7) lever(); |
468 | color("yellow",0.7) body(); | 473 | color("yellow",0.7) body(); |
474 | color("brown",0.7) body_label(); | ||
469 | }else{ | 475 | }else{ |
470 | color("green",0.7) lever(); | 476 | color("green",0.7) lever(); |
471 | color("yellow",0.7) body(); | 477 | color("yellow",0.7) body(); |
472 | color("red",0.7) knob(); | 478 | color("red",0.7) knob(); |
473 | color("blue",0.7) springpad(); | 479 | color("blue",0.7) springpad(); |
474 | } | 480 | } |
475 | } | 481 | } |
476 | 482 | ||
477 | the_extruder(what="*",left=false,debug=true); | 483 | the_extruder(what="*",left=false,debug=true); |