-rw-r--r-- | another.scad | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/another.scad b/another.scad index cd084ce..fe30fce 100644 --- a/another.scad +++ b/another.scad | |||
@@ -298,59 +298,60 @@ module the_extruder( | |||
298 | }//difference | 298 | }//difference |
299 | 299 | ||
300 | if(supports) intersection() { | 300 | if(supports) intersection() { |
301 | difference() { | 301 | difference() { |
302 | translate([0,0,ls_z-ls_h/2-epsilon]) | 302 | translate([0,0,ls_z-ls_h/2-epsilon]) |
303 | cylinder(d=gearbox_d,h=ls_h+2*epsilon,$fn=2*PI*gearbox_d); | 303 | cylinder(d=gearbox_d,h=ls_h+2*epsilon,$fn=2*PI*gearbox_d); |
304 | cylinder(d=pulley_d+pulley_clearance,h=body_h+1,$fn=2*PI*(pulley_d+pulley_clearance)); | 304 | cylinder(d=pulley_d+pulley_clearance,h=body_h+1,$fn=2*PI*(pulley_d+pulley_clearance)); |
305 | } | 305 | } |
306 | // supports | 306 | // supports |
307 | // TODO: hardcoded stuff below… | 307 | // TODO: hardcoded stuff below… |
308 | if(false) { // parallel | 308 | if(false) { // parallel |
309 | for(y=[-gearbox_d:4:gearbox_d]) | 309 | for(y=[-gearbox_d:4:gearbox_d]) |
310 | translate([0,y-extrusion_width/2,0]) | 310 | translate([0,y-extrusion_width/2,0]) |
311 | cube(size=[gearbox_d,extrusion_width,body_h]); | 311 | cube(size=[gearbox_d,extrusion_width,body_h]); |
312 | }else{ // radial | 312 | }else{ // radial |
313 | for(zr=[-65:(65+50)/7:50]) | 313 | for(zr=[-65:(65+50)/7:50]) |
314 | rotate([0,0,zr]) translate([0,-extrusion_width/2,0]) | 314 | rotate([0,0,zr]) translate([0,-extrusion_width/2,0]) |
315 | cube(size=[gearbox_d,extrusion_width,body_h]); | 315 | cube(size=[gearbox_d,extrusion_width,body_h]); |
316 | } | 316 | } |
317 | } | 317 | } |
318 | 318 | ||
319 | }//body module | 319 | }//body module |
320 | 320 | ||
321 | module springpad() { | 321 | module springpad() { |
322 | smalld=st_screw_d+extrusion_width; | 322 | smalld=st_screw_d+2*extrusion_width; |
323 | bigd = spring_d+spring_d_clearance/2; | 323 | bigd = spring_d+spring_d_clearance/2; |
324 | hf = (bigd-smalld)/2; | 324 | hf = (bigd-smalld)/2; |
325 | translate([-gearbox_d/2+st_shell+st_nut_h+st_shell+smalld,-longwing,filament_elevation]) | 325 | translate([-gearbox_d/2+st_shell+st_nut_h+st_shell+smalld,-longwing,filament_elevation]) |
326 | rotate([0,90,0]) difference() { | 326 | rotate([0,90,0]) difference() { |
327 | union() { | 327 | union() { |
328 | cylinder(d1=smalld,d2=bigd,h=hf,$fn=bigd*PI*2); | 328 | cylinder(d1=smalld,d2=bigd,h=hf,$fn=bigd*PI*2); |
329 | translate([0,0,hf-epsilon]) | 329 | translate([0,0,hf-epsilon]) |
330 | cylinder(d=bigd,h=hf*2,$fn=bigd*PI*2); | 330 | cylinder(d=bigd,h=hf*2,$fn=bigd*PI*2); |
331 | } | 331 | } |
332 | cylinder(d=st_screw_d,h=2*hf,$fn=st_screw_d*PI*2); | 332 | translate([0,0,-epsilon]) |
333 | cylinder(d=st_screw_d,h=2*hf+epsilon,$fn=st_screw_d*PI*2); | ||
333 | } | 334 | } |
334 | } | 335 | } |
335 | 336 | ||
336 | module knob() { | 337 | module knob() { |
337 | ch = knob_indent_d/2; | 338 | ch = knob_indent_d/2; |
338 | translate([0,0,body_h+epsilon]) { | 339 | translate([0,0,body_h+epsilon]) { |
339 | mirror([0,0,1]) translate([0,0,-epsilon]) { | 340 | mirror([0,0,1]) translate([0,0,-epsilon]) { |
340 | difference() { | 341 | difference() { |
341 | cylinder(d=pulley_d,h=knob_bore_l,$fn=pulley_d*PI*2); | 342 | cylinder(d=pulley_d,h=knob_bore_l,$fn=pulley_d*PI*2); |
342 | translate([0,0,-1]) difference() { | 343 | translate([0,0,-1]) difference() { |
343 | cylinder(d=bore_d+knob_bore_d_tolerance,h=knob_bore_l+2); | 344 | cylinder(d=bore_d+knob_bore_d_tolerance,h=knob_bore_l+2); |
344 | translate([-bore_d/2-1,bore_dd-bore_d/2+knob_bore_d_tolerance/2,-1]) | 345 | translate([-bore_d/2-1,bore_dd-bore_d/2+knob_bore_d_tolerance/2,-1]) |
345 | cube([bore_d+2,bore_d/2,knob_bore_l+4]); | 346 | cube([bore_d+2,bore_d/2,knob_bore_l+4]); |
346 | } | 347 | } |
347 | } | 348 | } |
348 | } | 349 | } |
349 | difference() { | 350 | difference() { |
350 | union() { | 351 | union() { |
351 | cylinder(d1=gearbox_d-2*ch,d2=gearbox_d,h=ch+epsilon,$fn=PI*gearbox_d*2); | 352 | cylinder(d1=gearbox_d-2*ch,d2=gearbox_d,h=ch+epsilon,$fn=PI*gearbox_d*2); |
352 | translate([0,0,ch]) | 353 | translate([0,0,ch]) |
353 | cylinder(d=gearbox_d,h=knob_h-2*ch+epsilon,$fn=PI*gearbox_d*2); | 354 | cylinder(d=gearbox_d,h=knob_h-2*ch+epsilon,$fn=PI*gearbox_d*2); |
354 | translate([0,0,knob_h-ch]) | 355 | translate([0,0,knob_h-ch]) |
355 | cylinder(d1=gearbox_d,d2=gearbox_d-2*ch,h=ch,$fn=PI*gearbox_d*2); | 356 | cylinder(d1=gearbox_d,d2=gearbox_d-2*ch,h=ch,$fn=PI*gearbox_d*2); |
356 | } | 357 | } |