-rw-r--r-- | another.scad | 37 |
1 files changed, 32 insertions, 5 deletions
diff --git a/another.scad b/another.scad index fd73a61..83a4e43 100644 --- a/another.scad +++ b/another.scad | |||
@@ -352,83 +352,107 @@ module the_extruder( | |||
352 | mirror([0,0,1]) { | 352 | mirror([0,0,1]) { |
353 | translate([0,0,st_thickshell]) | 353 | translate([0,0,st_thickshell]) |
354 | hull() for(o=[0,spring_d]) translate([0,-o,0]) | 354 | hull() for(o=[0,spring_d]) translate([0,-o,0]) |
355 | rotate([0,0,30]) | 355 | rotate([0,0,30]) |
356 | cylinder(d=st_nut_d+st_nut_d_tolerance,h=st_nut_h+st_nut_h_tolerance,$fn=6); | 356 | cylinder(d=st_nut_d+st_nut_d_tolerance,h=st_nut_h+st_nut_h_tolerance,$fn=6); |
357 | translate([0,0,-1]) cylinder(d=st_screw_d+st_screw_d_tolerance,h=fsw+2,$fn=fnd*(st_screw_d+st_screw_d_tolerance)); | 357 | translate([0,0,-1]) cylinder(d=st_screw_d+st_screw_d_tolerance,h=fsw+2,$fn=fnd*(st_screw_d+st_screw_d_tolerance)); |
358 | bigd = spring_d+spring_d_clearance; | 358 | bigd = spring_d+spring_d_clearance; |
359 | hf = (bigd-st_screw_d-st_screw_d_tolerance)/2; | 359 | hf = (bigd-st_screw_d-st_screw_d_tolerance)/2; |
360 | translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell-epsilon]) { | 360 | translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell-epsilon]) { |
361 | cylinder(d1=st_screw_d+st_screw_d_tolerance,d2=bigd, | 361 | cylinder(d1=st_screw_d+st_screw_d_tolerance,d2=bigd, |
362 | h=hf+epsilon, $fn=fnd*bigd); | 362 | h=hf+epsilon, $fn=fnd*bigd); |
363 | translate([0,-(st_split_w+st_split_w_tolerance)/2,0]) hull() { | 363 | translate([0,-(st_split_w+st_split_w_tolerance)/2,0]) hull() { |
364 | cube(size=[body_h-ls_z-sp_ch-st_split_w_tolerance,st_split_w+st_split_w_tolerance,fsw+1]); | 364 | cube(size=[body_h-ls_z-sp_ch-st_split_w_tolerance,st_split_w+st_split_w_tolerance,fsw+1]); |
365 | translate([0,0,sp_ch+st_split_w_tolerance+1]) | 365 | translate([0,0,sp_ch+st_split_w_tolerance+1]) |
366 | cube(size=[body_h-ls_z+1,st_split_w+st_split_w_tolerance,fsw+1]); | 366 | cube(size=[body_h-ls_z+1,st_split_w+st_split_w_tolerance,fsw+1]); |
367 | } | 367 | } |
368 | }//translate | 368 | }//translate |
369 | translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+hf-epsilon]) | 369 | translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+hf-epsilon]) |
370 | cylinder(d=bigd,h=fsw+1,$fn=fnd*bigd); | 370 | cylinder(d=bigd,h=fsw+1,$fn=fnd*bigd); |
371 | }//mirror | 371 | }//mirror |
372 | }//translate | 372 | }//translate |
373 | 373 | ||
374 | // label | 374 | // label |
375 | body_label(); | 375 | body_label(); |
376 | // scale | ||
377 | body_scale(); | ||
376 | 378 | ||
377 | }//difference | 379 | }//difference |
378 | 380 | ||
379 | }//body module | 381 | }//body module |
382 | module body_scale() { | ||
383 | scale_thickness = 2*layer_height; | ||
384 | nscales = 5; | ||
385 | x1 = -gearbox_d/2+fsw-st_h+st_w+st_bump*2-st_bump_tip/2; | ||
386 | x0 = -gearbox_d/2+st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+st_split_w+st_split_w_tolerance+st_bump_tip/2; | ||
387 | w0 = st_split_w+st_split_w_tolerance+2*(extrusion_width+2*extrusion_width); | ||
388 | w1 = 2*(longwing-gearbox_d/2-extrusion_width); | ||
389 | translate([0,-longwing,body_h-scale_thickness]) | ||
390 | difference() { | ||
391 | for(x=[x0:(x1-x0)/(nscales-1):x1]) let(w=w0+(w1-w0)*(x-x0)/(x1-x0)) | ||
392 | translate([x-st_bump_tip/2,-w/2,0]) | ||
393 | cube(size=[st_bump_tip,w,scale_thickness+epsilon]); | ||
394 | let(w=st_split_w+st_split_w_tolerance+extrusion_width) | ||
395 | translate([-gearbox_d/2,-w/2,-1]) | ||
396 | cube(size=[fsw,w,scale_thickness+2]); | ||
397 | } | ||
398 | } | ||
380 | module body_label() { | 399 | module body_label() { |
381 | if(body_label) { | 400 | if(body_label) { |
382 | label=body_label; | 401 | label=body_label; |
383 | label_thickness=body_label_thickness; | 402 | label_thickness=body_label_thickness; |
384 | label_len = len(label); | 403 | label_len = len(label); |
385 | 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]; | 404 | 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]; |
386 | translate([0,0,body_h-label_thickness]) | 405 | translate([0,0,body_h-label_thickness]) |
387 | linear_extrude(height=label_thickness+epsilon,convexity=64) | 406 | linear_extrude(height=label_thickness+epsilon,convexity=64) |
388 | 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]) | 407 | 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]) |
389 | mirror([left?0:1,0]) | 408 | mirror([left?0:1,0]) |
390 | text(text=label,size=labelspace.x/label_len,halign="center",valign="center",font="Arial Black"); | 409 | text(text=label,size=labelspace.x/label_len,halign="center",valign="center",font="Arial Black"); |
391 | }else sphere(d=epsilon); // to avoid makefile breakage | 410 | }else sphere(d=epsilon); // to avoid makefile breakage |
392 | } | 411 | } |
393 | 412 | ||
394 | st_bump = 4*extrusion_width; | 413 | st_bump = 4*extrusion_width; |
395 | st_bump_tip = 2*extrusion_width; | 414 | st_bump_tip = 2*extrusion_width; |
415 | st_smalld = st_screw_d+st_screw_d_tolerance+min_xy_shell; | ||
416 | st_bigd = spring_d+spring_d_clearance/2; | ||
417 | st_hf = (st_bigd-st_smalld)/2; | ||
418 | st_h = max(st_hf*3,fsw-st_screw_l+st_hf); | ||
419 | st_w = sp_ch; | ||
396 | module springpad() { | 420 | module springpad() { |
397 | smalld=st_screw_d+st_screw_d_tolerance+min_xy_shell; | 421 | smalld=st_smalld; |
398 | bigd = spring_d+spring_d_clearance/2; | 422 | bigd = st_bigd; |
399 | hf = (bigd-smalld)/2; | 423 | hf = st_hf; |
400 | h = max(hf*3,fsw-st_screw_l+hf); | 424 | h = st_h; |
401 | translate([-gearbox_d/2+fsw-h,-longwing,filament_elevation]) | 425 | translate([-gearbox_d/2+fsw-h,-longwing,filament_elevation]) |
402 | rotate([0,90,0]) difference() { | 426 | rotate([0,90,0]) difference() { |
403 | union() { | 427 | union() { |
404 | cylinder(d1=smalld,d2=bigd,h=hf,$fn=fnd*bigd); | 428 | cylinder(d1=smalld,d2=bigd,h=hf,$fn=fnd*bigd); |
405 | translate([0,0,hf-epsilon]) | 429 | translate([0,0,hf-epsilon]) |
406 | cylinder(d=bigd,h=h-hf,$fn=fnd*bigd); | 430 | cylinder(d=bigd,h=h-hf,$fn=fnd*bigd); |
407 | translate([0,0,h]) | 431 | translate([0,0,h]) |
408 | sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4); | 432 | sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4); |
409 | l = body_h-ls_z; | 433 | l = body_h-ls_z; |
410 | w = sp_ch; | 434 | w = st_w; |
411 | translate([0,-st_split_w/2,0]) mirror([1,0,0]) { | 435 | translate([0,-st_split_w/2,0]) mirror([1,0,0]) { |
412 | hull() { | 436 | hull() { |
413 | translate([0,0,w+st_bump]) | 437 | translate([0,0,w+st_bump]) |
414 | cube(size=[l+st_bump,st_split_w,w]); | 438 | cube(size=[l+st_bump,st_split_w,w]); |
415 | cube(size=[l-w,st_split_w,2*w]); | 439 | cube(size=[l-w,st_split_w,2*w]); |
416 | } | 440 | } |
417 | translate([l,0,w+st_bump]) hull() { | 441 | translate([l,0,w+st_bump]) hull() { |
418 | cube(size=[st_split_w,st_split_w,st_bump]); | 442 | cube(size=[st_split_w,st_split_w,st_bump]); |
419 | translate([0,-st_bump+st_bump_tip,st_bump]) mirror([0,0,1]) | 443 | translate([0,-st_bump+st_bump_tip,st_bump]) mirror([0,0,1]) |
420 | cube(size=[st_split_w,st_split_w+2*(st_bump-st_bump_tip),st_bump_tip]); | 444 | cube(size=[st_split_w,st_split_w+2*(st_bump-st_bump_tip),st_bump_tip]); |
421 | } | 445 | } |
422 | } | 446 | } |
423 | } | 447 | } |
424 | translate([0,0,-epsilon]) | 448 | translate([0,0,-epsilon]) |
425 | cylinder(d=st_screw_d+st_screw_d_tolerance, | 449 | cylinder(d=st_screw_d+st_screw_d_tolerance, |
426 | h=min(st_screw_l,fsw-hf)-fsw+h+2*epsilon,$fn=fnd*(st_screw_d+st_screw_d_tolerance)); | 450 | h=min(st_screw_l,fsw-hf)-fsw+h+2*epsilon,$fn=fnd*(st_screw_d+st_screw_d_tolerance)); |
427 | } | 451 | } |
428 | } | 452 | } |
429 | 453 | ||
430 | module knob() { | 454 | module knob() { |
431 | ch = knob_indent_d/2; | 455 | ch = knob_indent_d/2; |
432 | knob_bore_l = body_h-protrusion_h-pulley_elevation-pulley_h-knob_v_clearance; | 456 | knob_bore_l = body_h-protrusion_h-pulley_elevation-pulley_h-knob_v_clearance; |
433 | translate([0,0,body_h+epsilon]) { | 457 | translate([0,0,body_h+epsilon]) { |
434 | mirror([0,0,1]) translate([0,0,-epsilon]) { | 458 | mirror([0,0,1]) translate([0,0,-epsilon]) { |
@@ -477,42 +501,45 @@ module the_extruder( | |||
477 | // lever axis debug cutout | 501 | // lever axis debug cutout |
478 | translate([mount_d/2,0,-1]) | 502 | translate([mount_d/2,0,-1]) |
479 | rotate([0,0,-45]) | 503 | rotate([0,0,-45]) |
480 | cube(size=[gearbox_d-mount_d,gearbox_d-mount_d,body_h+knob_h+2]); | 504 | cube(size=[gearbox_d-mount_d,gearbox_d-mount_d,body_h+knob_h+2]); |
481 | // idler debug cutout | 505 | // idler debug cutout |
482 | translate([0,0,ls_z]) | 506 | translate([0,0,ls_z]) |
483 | place_idler() | 507 | place_idler() |
484 | rotate([0,0,-45]) | 508 | rotate([0,0,-45]) |
485 | translate([0,0,-lever_thickness/2-epsilon]) | 509 | translate([0,0,-lever_thickness/2-epsilon]) |
486 | cube(size=[lsd*sqrt(2)/2+1,lsd*sqrt(2)/2+1, | 510 | cube(size=[lsd*sqrt(2)/2+1,lsd*sqrt(2)/2+1, |
487 | lever_thickness+2*epsilon]); | 511 | lever_thickness+2*epsilon]); |
488 | // pushfit debug cutout | 512 | // pushfit debug cutout |
489 | place_idler() | 513 | place_idler() |
490 | translate([-idler_d/2+filament_offset,0,ls_z]) | 514 | translate([-idler_d/2+filament_offset,0,ls_z]) |
491 | cube(size=[gearbox_d/2,gearbox_d/2+pf_h(pf),body_h-ls_z+knob_h+1]); | 515 | cube(size=[gearbox_d/2,gearbox_d/2+pf_h(pf),body_h-ls_z+knob_h+1]); |
492 | }//if debug | 516 | }//if debug |
493 | }//difference | 517 | }//difference |
494 | } | 518 | } |
495 | 519 | ||
496 | mirrorleft() | 520 | mirrorleft() |
497 | debug() | 521 | debug() |
498 | if(what=="lever") color("green",0.7) lever(); | 522 | if(what=="lever") color("green",0.7) lever(); |
499 | else if(what=="body") color("yellow",0.7) body(); | 523 | else if(what=="body") color("yellow",0.7) body(); |
500 | else if(what=="body.label") color("brown",0.7) body_label(); | 524 | else if(what=="body.label") color("brown",0.7) body_label(); |
525 | else if(what=="body.scale") color("brown",0.7) body_scale(); | ||
501 | else if(what=="knob") color("red",0.7) knob(); | 526 | else if(what=="knob") color("red",0.7) knob(); |
502 | else if(what=="knob.label") color("brown",0.7) knob_label(); | 527 | else if(what=="knob.label") color("brown",0.7) knob_label(); |
503 | else if(what=="springpad") color("blue",0.7) springpad(); | 528 | else if(what=="springpad") color("blue",0.7) springpad(); |
504 | else if(what=="both") { | 529 | else if(what=="both") { |
505 | color("green",0.7) lever(); | 530 | color("green",0.7) lever(); |
506 | color("yellow",0.7) body(); | 531 | color("yellow",0.7) body(); |
507 | color("brown",0.7) body_label(); | 532 | color("brown",0.7) body_label(); |
533 | color("brown",0.7) body_scale(); | ||
508 | }else{ | 534 | }else{ |
509 | color("green",0.7) lever(); | 535 | color("green",0.7) lever(); |
510 | color("yellow",0.7) body(); | 536 | color("yellow",0.7) body(); |
511 | color("brown",0.7) body_label(); | 537 | color("brown",0.7) body_label(); |
538 | color("brown",0.7) body_scale(); | ||
512 | color("red",0.7) knob(); | 539 | color("red",0.7) knob(); |
513 | color("brown",0.7) knob_label(); | 540 | color("brown",0.7) knob_label(); |
514 | color("blue",0.7) springpad(); | 541 | color("blue",0.7) springpad(); |
515 | } | 542 | } |
516 | } | 543 | } |
517 | 544 | ||
518 | the_extruder(what="*",left=false,debug=true); | 545 | the_extruder(what="*",left=false,debug=true); |