-rw-r--r-- | another.scad | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/another.scad b/another.scad index 0f696cc..05bfab3 100644 --- a/another.scad +++ b/another.scad | |||
@@ -400,54 +400,52 @@ module the_extruder( | |||
400 | cube(size=[l,st_split_w,w]); | 400 | cube(size=[l,st_split_w,w]); |
401 | cube(size=[l-w,st_split_w,2*w]); | 401 | cube(size=[l-w,st_split_w,2*w]); |
402 | } | 402 | } |
403 | } | 403 | } |
404 | translate([0,0,-epsilon]) | 404 | translate([0,0,-epsilon]) |
405 | 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)); |
406 | } | 406 | } |
407 | } | 407 | } |
408 | 408 | ||
409 | module knob() { | 409 | module knob() { |
410 | ch = knob_indent_d/2; | 410 | ch = knob_indent_d/2; |
411 | knob_bore_l = body_h-protrusion_h-pulley_elevation-pulley_h-knob_v_clearance; | 411 | knob_bore_l = body_h-protrusion_h-pulley_elevation-pulley_h-knob_v_clearance; |
412 | translate([0,0,body_h+epsilon]) { | 412 | translate([0,0,body_h+epsilon]) { |
413 | mirror([0,0,1]) translate([0,0,-epsilon]) { | 413 | mirror([0,0,1]) translate([0,0,-epsilon]) { |
414 | difference() { | 414 | difference() { |
415 | cylinder(d=pulley_d,h=knob_bore_l,$fn=fnd*pulley_d); | 415 | cylinder(d=pulley_d,h=knob_bore_l,$fn=fnd*pulley_d); |
416 | translate([0,0,-1]) difference() { | 416 | translate([0,0,-1]) difference() { |
417 | cylinder(d=bore_d+knob_bore_d_tolerance,h=knob_bore_l+2); | 417 | cylinder(d=bore_d+knob_bore_d_tolerance,h=knob_bore_l+2); |
418 | translate([-bore_d/2-1,bore_dd-bore_d/2+knob_bore_d_tolerance/2,-1]) | 418 | translate([-bore_d/2-1,bore_dd-bore_d/2+knob_bore_d_tolerance/2,-1]) |
419 | cube([bore_d+2,bore_d/2,knob_bore_l+4]); | 419 | cube([bore_d+2,bore_d/2,knob_bore_l+4]); |
420 | } | 420 | } |
421 | } | 421 | } |
422 | } | 422 | } |
423 | difference() { | 423 | difference() { |
424 | union() { | 424 | hull() { |
425 | cylinder(d1=gearbox_d-2*ch,d2=gearbox_d,h=ch+epsilon,$fn=fnd*gearbox_d); | 425 | cylinder(d=gearbox_d-2*ch,h=knob_h,$fn=fnd*gearbox_d); |
426 | translate([0,0,ch]) | 426 | translate([0,0,ch]) |
427 | cylinder(d=gearbox_d,h=knob_h-2*ch+epsilon,$fn=fnd*gearbox_d); | 427 | cylinder(d=gearbox_d,h=knob_h-2*ch,$fn=fnd*gearbox_d); |
428 | translate([0,0,knob_h-ch]) | ||
429 | cylinder(d1=gearbox_d,d2=gearbox_d-2*ch,h=ch,$fn=fnd*gearbox_d); | ||
430 | } | 428 | } |
431 | for(a=[0:360/knob_indents:359]) rotate([0,0,a]) | 429 | for(a=[0:360/knob_indents:359]) rotate([0,0,a]) |
432 | translate([0,gearbox_d/2,-1]) | 430 | translate([0,gearbox_d/2,-1]) |
433 | cylinder(d=knob_indent_d,h=knob_h+2,$fn=fnd*knob_indent_d); | 431 | cylinder(d=knob_indent_d,h=knob_h+2,$fn=fnd*knob_indent_d); |
434 | } | 432 | } |
435 | } | 433 | } |
436 | }//knob module | 434 | }//knob module |
437 | 435 | ||
438 | module debug() { | 436 | module debug() { |
439 | difference() { | 437 | difference() { |
440 | children(); | 438 | children(); |
441 | if(debug) { | 439 | if(debug) { |
442 | // spring tensioner debug cutout | 440 | // spring tensioner debug cutout |
443 | translate([-gearbox_d/2,-longwing,ls_z]) rotate([0,-90,0]) | 441 | translate([-gearbox_d/2,-longwing,ls_z]) rotate([0,-90,0]) |
444 | translate([0,-lever_thickness/2-1,-gearbox_d]) | 442 | translate([0,-lever_thickness/2-1,-gearbox_d]) |
445 | cube(size=[body_h/2+1,lever_thickness/2+1,gearbox_d+2]); | 443 | cube(size=[body_h/2+1,lever_thickness/2+1,gearbox_d+2]); |
446 | // lever axis debug cutout | 444 | // lever axis debug cutout |
447 | translate([mount_d/2,0,-1]) | 445 | translate([mount_d/2,0,-1]) |
448 | rotate([0,0,-45]) | 446 | rotate([0,0,-45]) |
449 | cube(size=[gearbox_d-mount_d,gearbox_d-mount_d,body_h+knob_h+2]); | 447 | cube(size=[gearbox_d-mount_d,gearbox_d-mount_d,body_h+knob_h+2]); |
450 | // idler debug cutout | 448 | // idler debug cutout |
451 | translate([0,0,ls_z]) | 449 | translate([0,0,ls_z]) |
452 | place_idler() | 450 | place_idler() |
453 | rotate([0,0,-45]) | 451 | rotate([0,0,-45]) |