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-rw-r--r--another.scad3
1 files changed, 2 insertions, 1 deletions
diff --git a/another.scad b/another.scad
index acdedae..fc1e9a1 100644
--- a/another.scad
+++ b/another.scad
@@ -265,49 +265,50 @@ module the_extruder(
265 hull() for(x=[0,gearbox_d]) 265 hull() for(x=[0,gearbox_d])
266 rotate([0,0,45]) 266 rotate([0,0,45])
267 translate([x,0,ls_z-ls_h/2]) 267 translate([x,0,ls_z-ls_h/2])
268 cylinder(d=idler_d+idler_clearance,h=ls_h,$fn=fnd*(idler_d+idler_clearance)); 268 cylinder(d=idler_d+idler_clearance,h=ls_h,$fn=fnd*(idler_d+idler_clearance));
269 269
270 a=cos(45)*(pulley_d+idler_d)/2; 270 a=cos(45)*(pulley_d+idler_d)/2;
271 b=mount_d/2-a; 271 b=mount_d/2-a;
272 x=sqrt(pow(a,2)+pow(b,2)); 272 x=sqrt(pow(a,2)+pow(b,2));
273 translate([mount_d/2,0,ls_z]) 273 translate([mount_d/2,0,ls_z])
274 intersection() { 274 intersection() {
275 r = x+idler_d/2+1;/* TODO: */ 275 r = x+idler_d/2+1;/* TODO: */
276 cylinder(r=r,h=ls_h,center=true); 276 cylinder(r=r,h=ls_h,center=true);
277 translate([-r-1,0,-1]) cube(size=[2*r+2,r+1,ls_h+2]); 277 translate([-r-1,0,-1]) cube(size=[2*r+2,r+1,ls_h+2]);
278 } 278 }
279 279
280 rotate([0,0,-45]) 280 rotate([0,0,-45])
281 translate([0,0,ls_z-ls_h/2]) 281 translate([0,0,ls_z-ls_h/2])
282 cube(size=[gearbox_d,gearbox_d,lever_thickness+lever_v_clearance]); 282 cube(size=[gearbox_d,gearbox_d,lever_thickness+lever_v_clearance]);
283 translate([0,0,ls_z-ls_h/2]) { 283 translate([0,0,ls_z-ls_h/2]) {
284 translate([mount_screwhead_d/2,0,0]) 284 translate([mount_screwhead_d/2,0,0])
285 mirror([0,1,0]) 285 mirror([0,1,0])
286 cube(size=[gearbox_d,gearbox_d/2+1,lever_thickness+lever_v_clearance]); 286 cube(size=[gearbox_d,gearbox_d/2+1,lever_thickness+lever_v_clearance]);
287 } 287 }
288 //translate([-mount_d/2,-longwing,filament_elevation]) 288 //translate([-mount_d/2,-longwing,filament_elevation])
289 if(!tensioner) translate([mount_d/2,-longwing,filament_elevation]) 289 if(!tensioner) /* XXX: this seems to be bullshit, but it's so old, that it's historical bullshit */
290 translate([mount_d/2,-longwing,filament_elevation])
290 rotate([0,-90,0]) difference() { 291 rotate([0,-90,0]) difference() {
291 cylinder(d=spring_d+spring_d_clearance,h=spring_lc+spring_dl,$fn=fnd*(spring_d+spring_d_clearance)); 292 cylinder(d=spring_d+spring_d_clearance,h=spring_lc+spring_dl,$fn=fnd*(spring_d+spring_d_clearance));
292 translate([0,0,spring_lc+spring_dl]) sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4); 293 translate([0,0,spring_lc+spring_dl]) sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4);
293 } 294 }
294 295
295 }//difference 296 }//difference
296 297
297 if(supports) intersection() { 298 if(supports) intersection() {
298 difference() { 299 difference() {
299 translate([0,0,ls_z-ls_h/2-epsilon]) 300 translate([0,0,ls_z-ls_h/2-epsilon])
300 cylinder(d=gearbox_d,h=ls_h+2*epsilon,$fn=fnd*gearbox_d); 301 cylinder(d=gearbox_d,h=ls_h+2*epsilon,$fn=fnd*gearbox_d);
301 cylinder(d=pulley_d+pulley_clearance,h=body_h+1,$fn=fnd*(pulley_d+pulley_clearance)); 302 cylinder(d=pulley_d+pulley_clearance,h=body_h+1,$fn=fnd*(pulley_d+pulley_clearance));
302 } 303 }
303 // supports 304 // supports
304 // TODO: hardcoded stuff below… 305 // TODO: hardcoded stuff below…
305 if(false) { // parallel 306 if(false) { // parallel
306 for(y=[-gearbox_d:4:gearbox_d]) 307 for(y=[-gearbox_d:4:gearbox_d])
307 translate([0,y-extrusion_width/2,0]) 308 translate([0,y-extrusion_width/2,0])
308 cube(size=[gearbox_d,extrusion_width,body_h]); 309 cube(size=[gearbox_d,extrusion_width,body_h]);
309 }else{ // radial 310 }else{ // radial
310 for(zr=[-65:(65+50)/7:50]) 311 for(zr=[-65:(65+50)/7:50])
311 rotate([0,0,zr]) translate([0,-extrusion_width/2,0]) 312 rotate([0,0,zr]) translate([0,-extrusion_width/2,0])
312 cube(size=[gearbox_d,extrusion_width,body_h]); 313 cube(size=[gearbox_d,extrusion_width,body_h]);
313 } 314 }