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authorMichael Krelin <hacker@klever.net>2018-08-26 19:23:15 (UTC)
committer Michael Krelin <hacker@klever.net>2018-08-26 19:23:15 (UTC)
commit1274626a6b611b2ba4d056ad402316d23d3b0b4c (patch) (unidiff)
treea50d442c27d9f5fb3957f158154eff14afeed6a6
parent7871c22307d9a182088fac129420bddf467be929 (diff)
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remove support for supports
it's not easily printable without removable supports anyway now
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--another.scad28
1 files changed, 2 insertions, 26 deletions
diff --git a/another.scad b/another.scad
index 2331003..9ff7f6a 100644
--- a/another.scad
+++ b/another.scad
@@ -62,25 +62,25 @@ module the_extruder(
62 knob_bore_d_tolerance=.6, 62 knob_bore_d_tolerance=.6,
63 st_nut_h_tolerance=.2, 63 st_nut_h_tolerance=.2,
64 st_nut_d_tolerance=.2,/* TODO: make it st_nut_w_tolerance */ 64 st_nut_d_tolerance=.2,/* TODO: make it st_nut_w_tolerance */
65 st_screw_d_tolerance=.5, 65 st_screw_d_tolerance=.5,
66 st_split_w_tolerance = .3, 66 st_split_w_tolerance = .3,
67 67
68 min_z_shell = 4*layer_height, // the very minimal shell thickness along z-axis. 68 min_z_shell = 4*layer_height, // the very minimal shell thickness along z-axis.
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 supports = false, bridges = true, 74 bridges = true,
75 tensioner = true, 75 tensioner = true,
76 debug = false 76 debug = false
77) { 77) {
78 fnd = 2*PI; fnr = 2*fnd; 78 fnd = 2*PI; fnr = 2*fnd;
79 79
80 idler_filament_offset = filament_path_d/2; // -filament_offset; 80 idler_filament_offset = filament_path_d/2; // -filament_offset;
81 lever_shell = mount_screwhead_h+0.5; 81 lever_shell = mount_screwhead_h+0.5;
82 lever_thickness=max(spring_d+spring_d_clearance+layer_height*8,idler_h+idler_v_tolerance+2*lever_shell); 82 lever_thickness=max(spring_d+spring_d_clearance+layer_height*8,idler_h+idler_v_tolerance+2*lever_shell);
83 lsd = idler_d-idler_clearance*2; // the diameter of lever thingie 83 lsd = idler_d-idler_clearance*2; // the diameter of lever thingie
84 longwing=(mount_d+mount_screw_d+mount_screw_d_tolerance+spring_d+spring_d_clearance)/2+min_xy_shell; 84 longwing=(mount_d+mount_screw_d+mount_screw_d_tolerance+spring_d+spring_d_clearance)/2+min_xy_shell;
85 shortwing = let(a=mount_d/2,c=(pulley_d+idler_d)/2/sqrt(2)) 85 shortwing = let(a=mount_d/2,c=(pulley_d+idler_d)/2/sqrt(2))
86 sqrt(c*c+pow(a-c,2)); 86 sqrt(c*c+pow(a-c,2));
@@ -189,30 +189,25 @@ module the_extruder(
189 translate([0,0, 189 translate([0,0,
190 sqrt(2)*(mount_d-pulley_d+lsd)/2 190 sqrt(2)*(mount_d-pulley_d+lsd)/2
191 ]) { 191 ]) {
192 cylinder(d1=filament_path_d,d2=2*filament_path_d, 192 cylinder(d1=filament_path_d,d2=2*filament_path_d,
193 h=filament_path_d,$fn=2*filament_path_d*fnd); 193 h=filament_path_d,$fn=2*filament_path_d*fnd);
194 translate([0,0,filament_path_d-epsilon]) 194 translate([0,0,filament_path_d-epsilon])
195 cylinder(d=2*filament_path_d,h=lsd*sqrt(2),$fn=2*filament_path_d*fnd); 195 cylinder(d=2*filament_path_d,h=lsd*sqrt(2),$fn=2*filament_path_d*fnd);
196 }//translate 196 }//translate
197 }//rotate translate place_idler 197 }//rotate translate place_idler
198 198
199 // idler space and mounting hole 199 // idler space and mounting hole
200 place_idler() { 200 place_idler() {
201 difference() { 201 cylinder(d=idler_d+idler_clearance*2,h=idler_h+idler_v_tolerance,center=true,$fn=60);
202 cylinder(d=idler_d+idler_clearance*2,h=idler_h+idler_v_tolerance,center=true,$fn=60);
203 if(supports) for(y=[-lsd/2+extrusion_width:(lsd-2*extrusion_width)/3:lsd/2-extrusion_width])
204 translate([-lsd/2-1,y-extrusion_width/2,-idler_h/2-idler_v_tolerance/2-1])
205 cube(size=[lsd+2,extrusion_width,idler_h+idler_v_tolerance+2]);
206 }
207 cylinder(d=idler_screw_d,h=lever_thickness+2,center=true,$fn=30); 202 cylinder(d=idler_screw_d,h=lever_thickness+2,center=true,$fn=30);
208 translate([0,0,lever_thickness/2-idler_screwhead_h]) 203 translate([0,0,lever_thickness/2-idler_screwhead_h])
209 cylinder(d=idler_screwhead_d,h=idler_screwhead_h+1,$fn=fnd*idler_screwhead_d); 204 cylinder(d=idler_screwhead_d,h=idler_screwhead_h+1,$fn=fnd*idler_screwhead_d);
210 } 205 }
211 // mounting screw hole 206 // mounting screw hole
212 translate([mount_d/2,0,0]) 207 translate([mount_d/2,0,0])
213 cylinder(d=mount_screw_d+mount_screw_d_tolerance,h=lever_thickness+2,center=true,$fn=fnd*mount_screw_d); 208 cylinder(d=mount_screw_d+mount_screw_d_tolerance,h=lever_thickness+2,center=true,$fn=fnd*mount_screw_d);
214 209
215 // lever end 210 // lever end
216 translate([mount_d/2,0,0]) rotate([0,90,0]) { 211 translate([mount_d/2,0,0]) rotate([0,90,0]) {
217 translate([0,-longwing,lsd/2]) finger_indent(d=lever_thickness-1,r=15); 212 translate([0,-longwing,lsd/2]) finger_indent(d=lever_thickness-1,r=15);
218 translate([0,-longwing,0]) 213 translate([0,-longwing,0])
@@ -377,43 +372,24 @@ module the_extruder(
377 h=hf+epsilon, $fn=fnd*bigd); 372 h=hf+epsilon, $fn=fnd*bigd);
378 translate([0,-(st_thinshell+st_split_w_tolerance)/2,0]) 373 translate([0,-(st_thinshell+st_split_w_tolerance)/2,0])
379 cube(size=[body_h-ls_z+1,st_thinshell+st_split_w_tolerance,fsw+1]); 374 cube(size=[body_h-ls_z+1,st_thinshell+st_split_w_tolerance,fsw+1]);
380 } 375 }
381 translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+hf-epsilon]) 376 translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+hf-epsilon])
382 cylinder(d=bigd,h=fsw+1,$fn=fnd*bigd); 377 cylinder(d=bigd,h=fsw+1,$fn=fnd*bigd);
383 } 378 }
384 } 379 }
385 } 380 }
386 381
387 }//difference 382 }//difference
388 383
389 if(supports) intersection() {
390 difference() {
391 translate([0,0,ls_z-ls_h/2-epsilon])
392 cylinder(d=gearbox_d,h=ls_h+2*epsilon,$fn=fnd*gearbox_d);
393 cylinder(d=pulley_d+pulley_d_clearance,h=body_h+1,$fn=fnd*(pulley_d+pulley_d_clearance));
394 }
395 // supports
396 // TODO: hardcoded stuff below…
397 if(false) { // parallel
398 for(y=[-gearbox_d:4:gearbox_d])
399 translate([0,y-extrusion_width/2,0])
400 cube(size=[gearbox_d,extrusion_width,body_h]);
401 }else{ // radial
402 for(zr=[-65:(65+50)/7:50])
403 rotate([0,0,zr]) translate([0,-extrusion_width/2,0])
404 cube(size=[gearbox_d,extrusion_width,body_h]);
405 }
406 }
407
408 }//body module 384 }//body module
409 385
410 module springpad() { 386 module springpad() {
411 smalld=st_screw_d+st_screw_d_tolerance+min_xy_shell; 387 smalld=st_screw_d+st_screw_d_tolerance+min_xy_shell;
412 bigd = spring_d+spring_d_clearance/2; 388 bigd = spring_d+spring_d_clearance/2;
413 hf = (bigd-smalld)/2; 389 hf = (bigd-smalld)/2;
414 h = hf*3.5; 390 h = hf*3.5;
415 translate([-gearbox_d/2+st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+1,-longwing,filament_elevation]) 391 translate([-gearbox_d/2+st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+1,-longwing,filament_elevation])
416 rotate([0,90,0]) difference() { 392 rotate([0,90,0]) difference() {
417 union() { 393 union() {
418 cylinder(d1=smalld,d2=bigd,h=hf,$fn=fnd*bigd); 394 cylinder(d1=smalld,d2=bigd,h=hf,$fn=fnd*bigd);
419 translate([0,0,hf-epsilon]) 395 translate([0,0,hf-epsilon])