-rw-r--r-- | another.scad | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/another.scad b/another.scad index 50b3a84..6afa9ef 100644 --- a/another.scad +++ b/another.scad | |||
@@ -37,33 +37,33 @@ module the_extruder( | |||
37 | st_screw_d = 5, | 37 | st_screw_d = 5, |
38 | st_thickshell = 8*extrusion_width, st_thinshell = 4*extrusion_width, | 38 | st_thickshell = 8*extrusion_width, st_thinshell = 4*extrusion_width, |
39 | 39 | ||
40 | // screw it | 40 | // screw it |
41 | mount_screw_d = 3.1, mount_screw_l = 20, | 41 | mount_screw_d = 3.1, mount_screw_l = 20, |
42 | mount_screwhead_d=6, mount_screwhead_h=3, | 42 | mount_screwhead_d=6, mount_screwhead_h=3, |
43 | idler_screw_d = 3, | 43 | idler_screw_d = 3, |
44 | idler_screwhead_d=6, idler_screwhead_h=3, | 44 | idler_screwhead_d=6, idler_screwhead_h=3, |
45 | 45 | ||
46 | pf = pushfit_embeddest, | 46 | pf = pushfit_embeddest, |
47 | pf_shell = max(3*layer_height,3*extrusion_width), | 47 | pf_shell = max(3*layer_height,3*extrusion_width), |
48 | pf_smooth = true, | 48 | pf_smooth = true, |
49 | 49 | ||
50 | // empty spaces | 50 | // empty spaces |
51 | idler_travel = 3, // how far should idler travel when pressed | 51 | idler_travel = 3, // how far should idler travel when pressed |
52 | idler_clearance=1, | 52 | idler_clearance=1, |
53 | pulley_clearance=2, | 53 | pulley_d_clearance=2, |
54 | lever_v_clearance=.7, // vertical clearance for the lever | 54 | lever_v_clearance=.7, // vertical clearance for the lever |
55 | spring_d_clearance=1, | 55 | spring_d_clearance=1, |
56 | protrusion_tolerance_h=.5, // horizontal tolerance for the motor protrusion | 56 | protrusion_tolerance_h=.5, // horizontal tolerance for the motor protrusion |
57 | protrusion_tolerance_v=.5, // vertical tolerance for the motor protrusion | 57 | protrusion_tolerance_v=.5, // vertical tolerance for the motor protrusion |
58 | mount_screw_d_tolerance=.4, | 58 | mount_screw_d_tolerance=.4, |
59 | idler_v_tolerance=.5, | 59 | idler_v_tolerance=.5, |
60 | knob_bore_d_tolerance=.6, | 60 | knob_bore_d_tolerance=.6, |
61 | st_nut_h_tolerance=.2, | 61 | st_nut_h_tolerance=.2, |
62 | st_nut_d_tolerance=.2,/* TODO: make it st_nut_w_tolerance */ | 62 | st_nut_d_tolerance=.2,/* TODO: make it st_nut_w_tolerance */ |
63 | st_screw_d_tolerance=.5, | 63 | st_screw_d_tolerance=.5, |
64 | 64 | ||
65 | what="lever", // lever|body|knob|springpad|* | 65 | what="lever", // lever|body|knob|springpad|* |
66 | left=false, | 66 | left=false, |
67 | vitamins = true, | 67 | vitamins = true, |
68 | supports = false, bridges = true, | 68 | supports = false, bridges = true, |
69 | tensioner = true, | 69 | tensioner = true, |
@@ -296,33 +296,33 @@ module the_extruder( | |||
296 | translate([0,0,mount_screw_l-mounthole_depth/2]) | 296 | translate([0,0,mount_screw_l-mounthole_depth/2]) |
297 | cylinder(d=mount_screwhead_d,h=body_h+1,$fn=fnd*mount_screwhead_d); | 297 | cylinder(d=mount_screwhead_d,h=body_h+1,$fn=fnd*mount_screwhead_d); |
298 | }//for | 298 | }//for |
299 | // pushfit | 299 | // pushfit |
300 | translate([0,0,filament_elevation]) | 300 | translate([0,0,filament_elevation]) |
301 | rotate([0,0,45]) translate([pulley_d/2+filament_offset,0,0]) | 301 | rotate([0,0,45]) translate([pulley_d/2+filament_offset,0,0]) |
302 | rotate([-90,0,0]) | 302 | rotate([-90,0,0]) |
303 | translate([0,0,mount_d/sqrt(2)/2+mount_screw_d+epsilon]) | 303 | translate([0,0,mount_d/sqrt(2)/2+mount_screw_d+epsilon]) |
304 | rotate([0,0,180]) { | 304 | rotate([0,0,180]) { |
305 | pushfit(pf); | 305 | pushfit(pf); |
306 | cylinder(d=filament_guide_d,h=gearbox_d,center=true,$fn=fnd*filament_guide_d); | 306 | cylinder(d=filament_guide_d,h=gearbox_d,center=true,$fn=fnd*filament_guide_d); |
307 | translate([0,-filament_guide_d/2/sqrt(2),0]) | 307 | translate([0,-filament_guide_d/2/sqrt(2),0]) |
308 | rotate([0,0,45]) | 308 | rotate([0,0,45]) |
309 | cube(size=[filament_guide_d/2,filament_guide_d/2,gearbox_d],center=true); | 309 | cube(size=[filament_guide_d/2,filament_guide_d/2,gearbox_d],center=true); |
310 | }//rotate translate rotate translate rotate translate | 310 | }//rotate translate rotate translate rotate translate |
311 | // pulley | 311 | // pulley |
312 | cylinder(d=pulley_d+pulley_clearance,h=body_h+1,$fn=fnd*(pulley_d+pulley_clearance)); | 312 | cylinder(d=pulley_d+pulley_d_clearance,h=body_h+1,$fn=fnd*(pulley_d+pulley_d_clearance)); |
313 | // leverspace | 313 | // leverspace |
314 | hull() for(x=[0,gearbox_d]) | 314 | hull() for(x=[0,gearbox_d]) |
315 | rotate([0,0,45]) | 315 | rotate([0,0,45]) |
316 | translate([x,0,ls_z-ls_h/2]) | 316 | translate([x,0,ls_z-ls_h/2]) |
317 | cylinder(d=idler_d+idler_clearance,h=ls_h,$fn=fnd*(idler_d+idler_clearance)); | 317 | cylinder(d=idler_d+idler_clearance,h=ls_h,$fn=fnd*(idler_d+idler_clearance)); |
318 | 318 | ||
319 | // idler clearance | 319 | // idler clearance |
320 | a=cos(45)*(pulley_d+idler_d)/2; | 320 | a=cos(45)*(pulley_d+idler_d)/2; |
321 | b=mount_d/2-a; | 321 | b=mount_d/2-a; |
322 | x=sqrt(pow(a,2)+pow(b,2)); | 322 | x=sqrt(pow(a,2)+pow(b,2)); |
323 | translate([mount_d/2,0,ls_z]) | 323 | translate([mount_d/2,0,ls_z]) |
324 | intersection() { | 324 | intersection() { |
325 | r = x+idler_d/2+idler_clearance; | 325 | r = x+idler_d/2+idler_clearance; |
326 | cylinder(r=r,h=ls_h,center=true); | 326 | cylinder(r=r,h=ls_h,center=true); |
327 | translate([-r-1,0,-ls_h/2-1]) cube(size=[2*r+2,r+1,ls_h+2]); | 327 | translate([-r-1,0,-ls_h/2-1]) cube(size=[2*r+2,r+1,ls_h+2]); |
328 | } | 328 | } |
@@ -359,33 +359,33 @@ module the_extruder( | |||
359 | cube(size=[gearbox_d,gearbox_d/2+1,lever_thickness+lever_v_clearance]); | 359 | cube(size=[gearbox_d,gearbox_d/2+1,lever_thickness+lever_v_clearance]); |
360 | } | 360 | } |
361 | //translate([-mount_d/2,-longwing,filament_elevation]) | 361 | //translate([-mount_d/2,-longwing,filament_elevation]) |
362 | if(!tensioner) /* XXX: this seems to be bullshit, but it's so old, that it's historical bullshit */ | 362 | if(!tensioner) /* XXX: this seems to be bullshit, but it's so old, that it's historical bullshit */ |
363 | translate([mount_d/2,-longwing,filament_elevation]) | 363 | translate([mount_d/2,-longwing,filament_elevation]) |
364 | rotate([0,-90,0]) difference() { | 364 | rotate([0,-90,0]) difference() { |
365 | cylinder(d=spring_d+spring_d_clearance,h=spring_lc+spring_dl,$fn=fnd*(spring_d+spring_d_clearance)); | 365 | cylinder(d=spring_d+spring_d_clearance,h=spring_lc+spring_dl,$fn=fnd*(spring_d+spring_d_clearance)); |
366 | translate([0,0,spring_lc+spring_dl]) sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4); | 366 | translate([0,0,spring_lc+spring_dl]) sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4); |
367 | } | 367 | } |
368 | 368 | ||
369 | }//difference | 369 | }//difference |
370 | 370 | ||
371 | if(supports) intersection() { | 371 | if(supports) intersection() { |
372 | difference() { | 372 | difference() { |
373 | translate([0,0,ls_z-ls_h/2-epsilon]) | 373 | translate([0,0,ls_z-ls_h/2-epsilon]) |
374 | cylinder(d=gearbox_d,h=ls_h+2*epsilon,$fn=fnd*gearbox_d); | 374 | cylinder(d=gearbox_d,h=ls_h+2*epsilon,$fn=fnd*gearbox_d); |
375 | cylinder(d=pulley_d+pulley_clearance,h=body_h+1,$fn=fnd*(pulley_d+pulley_clearance)); | 375 | cylinder(d=pulley_d+pulley_d_clearance,h=body_h+1,$fn=fnd*(pulley_d+pulley_d_clearance)); |
376 | } | 376 | } |
377 | // supports | 377 | // supports |
378 | // TODO: hardcoded stuff below… | 378 | // TODO: hardcoded stuff below… |
379 | if(false) { // parallel | 379 | if(false) { // parallel |
380 | for(y=[-gearbox_d:4:gearbox_d]) | 380 | for(y=[-gearbox_d:4:gearbox_d]) |
381 | translate([0,y-extrusion_width/2,0]) | 381 | translate([0,y-extrusion_width/2,0]) |
382 | cube(size=[gearbox_d,extrusion_width,body_h]); | 382 | cube(size=[gearbox_d,extrusion_width,body_h]); |
383 | }else{ // radial | 383 | }else{ // radial |
384 | for(zr=[-65:(65+50)/7:50]) | 384 | for(zr=[-65:(65+50)/7:50]) |
385 | rotate([0,0,zr]) translate([0,-extrusion_width/2,0]) | 385 | rotate([0,0,zr]) translate([0,-extrusion_width/2,0]) |
386 | cube(size=[gearbox_d,extrusion_width,body_h]); | 386 | cube(size=[gearbox_d,extrusion_width,body_h]); |
387 | } | 387 | } |
388 | } | 388 | } |
389 | 389 | ||
390 | }//body module | 390 | }//body module |
391 | 391 | ||