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-rw-r--r--Makefile4
-rw-r--r--another.scad37
2 files changed, 35 insertions, 6 deletions
diff --git a/Makefile b/Makefile
index 5753a68..b9d2b4c 100644
--- a/Makefile
+++ b/Makefile
@@ -14,12 +14,14 @@ clean:
14 rm -f *.stl *.gcode 14 rm -f *.stl *.gcode
15 15
16stl-another-%: 16stl-another-%:
17 $(MAKE) another-$*-{body,body-label,lever,knob,knob-label,springpad}.stl 17 $(MAKE) another-$*-{body,body-label,body-scale,lever,knob,knob-label,springpad}.stl
18 18
19another-%-body.stl: another-%.scad another.scad 19another-%-body.stl: another-%.scad another.scad
20 $(OPENSCAD_BIN) $(OPENSCAD_FLAGS) -D 'what="body"' -o "$@" "$<" 20 $(OPENSCAD_BIN) $(OPENSCAD_FLAGS) -D 'what="body"' -o "$@" "$<"
21another-%-body-label.stl: another-%.scad another.scad 21another-%-body-label.stl: another-%.scad another.scad
22 $(OPENSCAD_BIN) $(OPENSCAD_FLAGS) -D 'what="body.label"' -o "$@" "$<" 22 $(OPENSCAD_BIN) $(OPENSCAD_FLAGS) -D 'what="body.label"' -o "$@" "$<"
23another-%-body-scale.stl: another-%.scad another.scad
24 $(OPENSCAD_BIN) $(OPENSCAD_FLAGS) -D 'what="body.scale"' -o "$@" "$<"
23another-%-lever.stl: another-%.scad another.scad 25another-%-lever.stl: another-%.scad another.scad
24 $(OPENSCAD_BIN) $(OPENSCAD_FLAGS) -D 'what="lever"' -o "$@" "$<" 26 $(OPENSCAD_BIN) $(OPENSCAD_FLAGS) -D 'what="lever"' -o "$@" "$<"
25another-%-knob.stl: another-%.scad another.scad 27another-%-knob.stl: another-%.scad another.scad
diff --git a/another.scad b/another.scad
index fd73a61..83a4e43 100644
--- a/another.scad
+++ b/another.scad
@@ -373,10 +373,29 @@ module the_extruder(
373 373
374 // label 374 // label
375 body_label(); 375 body_label();
376 // scale
377 body_scale();
376 378
377 }//difference 379 }//difference
378 380
379 }//body module 381 }//body module
382 module body_scale() {
383 scale_thickness = 2*layer_height;
384 nscales = 5;
385 x1 = -gearbox_d/2+fsw-st_h+st_w+st_bump*2-st_bump_tip/2;
386 x0 = -gearbox_d/2+st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+st_split_w+st_split_w_tolerance+st_bump_tip/2;
387 w0 = st_split_w+st_split_w_tolerance+2*(extrusion_width+2*extrusion_width);
388 w1 = 2*(longwing-gearbox_d/2-extrusion_width);
389 translate([0,-longwing,body_h-scale_thickness])
390 difference() {
391 for(x=[x0:(x1-x0)/(nscales-1):x1]) let(w=w0+(w1-w0)*(x-x0)/(x1-x0))
392 translate([x-st_bump_tip/2,-w/2,0])
393 cube(size=[st_bump_tip,w,scale_thickness+epsilon]);
394 let(w=st_split_w+st_split_w_tolerance+extrusion_width)
395 translate([-gearbox_d/2,-w/2,-1])
396 cube(size=[fsw,w,scale_thickness+2]);
397 }
398 }
380 module body_label() { 399 module body_label() {
381 if(body_label) { 400 if(body_label) {
382 label=body_label; 401 label=body_label;
@@ -393,11 +412,16 @@ module the_extruder(
393 412
394 st_bump = 4*extrusion_width; 413 st_bump = 4*extrusion_width;
395 st_bump_tip = 2*extrusion_width; 414 st_bump_tip = 2*extrusion_width;
415 st_smalld = st_screw_d+st_screw_d_tolerance+min_xy_shell;
416 st_bigd = spring_d+spring_d_clearance/2;
417 st_hf = (st_bigd-st_smalld)/2;
418 st_h = max(st_hf*3,fsw-st_screw_l+st_hf);
419 st_w = sp_ch;
396 module springpad() { 420 module springpad() {
397 smalld=st_screw_d+st_screw_d_tolerance+min_xy_shell; 421 smalld=st_smalld;
398 bigd = spring_d+spring_d_clearance/2; 422 bigd = st_bigd;
399 hf = (bigd-smalld)/2; 423 hf = st_hf;
400 h = max(hf*3,fsw-st_screw_l+hf); 424 h = st_h;
401 translate([-gearbox_d/2+fsw-h,-longwing,filament_elevation]) 425 translate([-gearbox_d/2+fsw-h,-longwing,filament_elevation])
402 rotate([0,90,0]) difference() { 426 rotate([0,90,0]) difference() {
403 union() { 427 union() {
@@ -407,7 +431,7 @@ module the_extruder(
407 translate([0,0,h]) 431 translate([0,0,h])
408 sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4); 432 sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4);
409 l = body_h-ls_z; 433 l = body_h-ls_z;
410 w = sp_ch; 434 w = st_w;
411 translate([0,-st_split_w/2,0]) mirror([1,0,0]) { 435 translate([0,-st_split_w/2,0]) mirror([1,0,0]) {
412 hull() { 436 hull() {
413 translate([0,0,w+st_bump]) 437 translate([0,0,w+st_bump])
@@ -498,6 +522,7 @@ module the_extruder(
498 if(what=="lever") color("green",0.7) lever(); 522 if(what=="lever") color("green",0.7) lever();
499 else if(what=="body") color("yellow",0.7) body(); 523 else if(what=="body") color("yellow",0.7) body();
500 else if(what=="body.label") color("brown",0.7) body_label(); 524 else if(what=="body.label") color("brown",0.7) body_label();
525 else if(what=="body.scale") color("brown",0.7) body_scale();
501 else if(what=="knob") color("red",0.7) knob(); 526 else if(what=="knob") color("red",0.7) knob();
502 else if(what=="knob.label") color("brown",0.7) knob_label(); 527 else if(what=="knob.label") color("brown",0.7) knob_label();
503 else if(what=="springpad") color("blue",0.7) springpad(); 528 else if(what=="springpad") color("blue",0.7) springpad();
@@ -505,10 +530,12 @@ module the_extruder(
505 color("green",0.7) lever(); 530 color("green",0.7) lever();
506 color("yellow",0.7) body(); 531 color("yellow",0.7) body();
507 color("brown",0.7) body_label(); 532 color("brown",0.7) body_label();
533 color("brown",0.7) body_scale();
508 }else{ 534 }else{
509 color("green",0.7) lever(); 535 color("green",0.7) lever();
510 color("yellow",0.7) body(); 536 color("yellow",0.7) body();
511 color("brown",0.7) body_label(); 537 color("brown",0.7) body_label();
538 color("brown",0.7) body_scale();
512 color("red",0.7) knob(); 539 color("red",0.7) knob();
513 color("brown",0.7) knob_label(); 540 color("brown",0.7) knob_label();
514 color("blue",0.7) springpad(); 541 color("blue",0.7) springpad();