-rw-r--r-- | another.scad | 49 |
1 files changed, 19 insertions, 30 deletions
diff --git a/another.scad b/another.scad index 9ff7f6a..e6d9ca3 100644 --- a/another.scad +++ b/another.scad | |||
@@ -69,13 +69,12 @@ module the_extruder( | |||
69 | min_xy_shell = 2*extrusion_width, | 69 | min_xy_shell = 2*extrusion_width, |
70 | 70 | ||
71 | what="lever", // lever|body|knob|springpad|* | 71 | what="lever", // lever|body|knob|springpad|* |
72 | left=false, | 72 | left=false, |
73 | vitamins = true, | 73 | vitamins = true, |
74 | bridges = true, | 74 | bridges = true, |
75 | tensioner = true, | ||
76 | debug = false | 75 | debug = false |
77 | ) { | 76 | ) { |
78 | fnd = 2*PI; fnr = 2*fnd; | 77 | fnd = 2*PI; fnr = 2*fnd; |
79 | 78 | ||
80 | idler_filament_offset = filament_path_d/2; // -filament_offset; | 79 | idler_filament_offset = filament_path_d/2; // -filament_offset; |
81 | lever_shell = mount_screwhead_h+0.5; | 80 | lever_shell = mount_screwhead_h+0.5; |
@@ -345,42 +344,32 @@ module the_extruder( | |||
345 | square([sqrt(pow(gearbox_d/2,2)+pow(longwing-lever_thickness/2,2))+1, | 344 | square([sqrt(pow(gearbox_d/2,2)+pow(longwing-lever_thickness/2,2))+1, |
346 | ls_h]); | 345 | ls_h]); |
347 | translate([-mount_d/2,0,0]) | 346 | translate([-mount_d/2,0,0]) |
348 | cylinder(d=gearbox_d-mount_d,h=ls_h+2,center=true,$fn=fnd*(gearbox_d-mount_d)); | 347 | cylinder(d=gearbox_d-mount_d,h=ls_h+2,center=true,$fn=fnd*(gearbox_d-mount_d)); |
349 | }//difference translate | 348 | }//difference translate |
350 | 349 | ||
351 | //translate([-mount_d/2,-longwing,filament_elevation]) | ||
352 | if(!tensioner) /* XXX: this seems to be bullshit, but it's so old, that it's historical bullshit */ | ||
353 | translate([mount_d/2,-longwing,filament_elevation]) | ||
354 | rotate([0,-90,0]) difference() { | ||
355 | cylinder(d=spring_d+spring_d_clearance,h=spring_lc+spring_dl,$fn=fnd*(spring_d+spring_d_clearance)); | ||
356 | translate([0,0,spring_lc+spring_dl]) sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4); | ||
357 | } | ||
358 | |||
359 | // spring tensioner | 350 | // spring tensioner |
360 | translate([-gearbox_d/2,-longwing,ls_z]) rotate([0,-90,0]) { | 351 | translate([-gearbox_d/2,-longwing,ls_z]) rotate([0,-90,0]) { |
361 | if(!tensioner) finger_indent(d=lever_thickness-1,r=15); else { | 352 | mirror([0,0,1]) { |
362 | mirror([0,0,1]) { | 353 | translate([0,0,st_thickshell]) |
363 | translate([0,0,st_thickshell]) | 354 | hull() for(o=[0,spring_d]) translate([0,-o,0]) |
364 | hull() for(o=[0,spring_d]) translate([0,-o,0]) | 355 | rotate([0,0,30]) |
365 | rotate([0,0,30]) | 356 | cylinder(d=st_nut_d+st_nut_d_tolerance,h=st_nut_h+st_nut_h_tolerance,$fn=6); |
366 | cylinder(d=st_nut_d+st_nut_d_tolerance,h=st_nut_h+st_nut_h_tolerance,$fn=6); | 357 | translate([0,0,-1]) cylinder(d=st_screw_d+st_screw_d_tolerance,h=fsw+2,$fn=fnd*(st_screw_d+st_screw_d_tolerance)); |
367 | translate([0,0,-1]) cylinder(d=st_screw_d+st_screw_d_tolerance,h=fsw+2,$fn=fnd*(st_screw_d+st_screw_d_tolerance)); | 358 | bigd = spring_d+spring_d_clearance; |
368 | bigd = spring_d+spring_d_clearance; | 359 | hf = (bigd-st_screw_d-st_screw_d_tolerance)/2; |
369 | 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]) { |
370 | 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, |
371 | cylinder(d1=st_screw_d+st_screw_d_tolerance,d2=bigd, | 362 | h=hf+epsilon, $fn=fnd*bigd); |
372 | h=hf+epsilon, $fn=fnd*bigd); | 363 | translate([0,-(st_thinshell+st_split_w_tolerance)/2,0]) |
373 | translate([0,-(st_thinshell+st_split_w_tolerance)/2,0]) | 364 | cube(size=[body_h-ls_z+1,st_thinshell+st_split_w_tolerance,fsw+1]); |
374 | cube(size=[body_h-ls_z+1,st_thinshell+st_split_w_tolerance,fsw+1]); | 365 | }//translate |
375 | } | 366 | translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+hf-epsilon]) |
376 | translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+hf-epsilon]) | 367 | cylinder(d=bigd,h=fsw+1,$fn=fnd*bigd); |
377 | cylinder(d=bigd,h=fsw+1,$fn=fnd*bigd); | 368 | }//mirror |
378 | } | 369 | }//translate |
379 | } | ||
380 | } | ||
381 | 370 | ||
382 | }//difference | 371 | }//difference |
383 | 372 | ||
384 | }//body module | 373 | }//body module |
385 | 374 | ||
386 | module springpad() { | 375 | module springpad() { |
@@ -439,13 +428,13 @@ module the_extruder( | |||
439 | 428 | ||
440 | module debug() { | 429 | module debug() { |
441 | difference() { | 430 | difference() { |
442 | children(); | 431 | children(); |
443 | if(debug) { | 432 | if(debug) { |
444 | // spring tensioner debug cutout | 433 | // spring tensioner debug cutout |
445 | if(tensioner) // TODO: collapse copypasted transformations | 434 | // TODO: collapse copypasted transformations |
446 | translate([-gearbox_d/2,0,0]) | 435 | translate([-gearbox_d/2,0,0]) |
447 | translate([0,-longwing,ls_z]) rotate([0,-90,0]) | 436 | translate([0,-longwing,ls_z]) rotate([0,-90,0]) |
448 | translate([0,-lever_thickness/2-1,-gearbox_d]) | 437 | translate([0,-lever_thickness/2-1,-gearbox_d]) |
449 | cube(size=[body_h/2+1,lever_thickness/2+1,gearbox_d+2]); | 438 | cube(size=[body_h/2+1,lever_thickness/2+1,gearbox_d+2]); |
450 | // lever axis debug cutout | 439 | // lever axis debug cutout |
451 | translate([mount_d/2,0,-1]) | 440 | translate([mount_d/2,0,-1]) |