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authorMichael Krelin <hacker@klever.net>2018-09-01 14:47:19 (UTC)
committer Michael Krelin <hacker@klever.net>2018-09-01 14:47:19 (UTC)
commit32b8dbd19b009091567d8e73636ffa50ea2d6335 (patch) (unidiff)
tree7517e7107ee512417b13d7f5e3eda9296f141ba7
parent8b0f9de8f05097c2dfa22088d187ac44aadcefc8 (diff)
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better calculate springpad size
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--another.scad6
1 files changed, 3 insertions, 3 deletions
diff --git a/another.scad b/another.scad
index faa41da..92187c5 100644
--- a/another.scad
+++ b/another.scad
@@ -381,43 +381,43 @@ module the_extruder(
381 translate([0,0,body_h-label_thickness]) 381 translate([0,0,body_h-label_thickness])
382 linear_extrude(height=label_thickness+epsilon,convexity=64) 382 linear_extrude(height=label_thickness+epsilon,convexity=64)
383 translate([-mount_screwhead_d/2-min_xy_shell-labelspace.x/2,-longwing+(st_split_w+st_split_w_tolerance)/2+min_xy_shell+labelspace.y/2]) 383 translate([-mount_screwhead_d/2-min_xy_shell-labelspace.x/2,-longwing+(st_split_w+st_split_w_tolerance)/2+min_xy_shell+labelspace.y/2])
384 mirror([left?0:1,0]) 384 mirror([left?0:1,0])
385 text(text=label,size=labelspace.x/label_len,halign="center",valign="center",font="Arial Black"); 385 text(text=label,size=labelspace.x/label_len,halign="center",valign="center",font="Arial Black");
386 }else sphere(d=epsilon); // to avoid makefile breakage 386 }else sphere(d=epsilon); // to avoid makefile breakage
387 } 387 }
388 388
389 module springpad() { 389 module springpad() {
390 smalld=st_screw_d+st_screw_d_tolerance+min_xy_shell; 390 smalld=st_screw_d+st_screw_d_tolerance+min_xy_shell;
391 bigd = spring_d+spring_d_clearance/2; 391 bigd = spring_d+spring_d_clearance/2;
392 hf = (bigd-smalld)/2; 392 hf = (bigd-smalld)/2;
393 h = hf*3.5; 393 h = max(hf,fsw-st_screw_l+hf);
394 translate([-gearbox_d/2+st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+1,-longwing,filament_elevation]) 394 translate([-gearbox_d/2+fsw-h,-longwing,filament_elevation])
395 rotate([0,90,0]) difference() { 395 rotate([0,90,0]) difference() {
396 union() { 396 union() {
397 cylinder(d1=smalld,d2=bigd,h=hf,$fn=fnd*bigd); 397 cylinder(d1=smalld,d2=bigd,h=hf,$fn=fnd*bigd);
398 translate([0,0,hf-epsilon]) 398 translate([0,0,hf-epsilon])
399 cylinder(d=bigd,h=h-hf,$fn=fnd*bigd); 399 cylinder(d=bigd,h=h-hf,$fn=fnd*bigd);
400 translate([0,0,h]) 400 translate([0,0,h])
401 sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4); 401 sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4);
402 l = body_h-ls_z; 402 l = body_h-ls_z;
403 w = st_split_w; 403 w = st_split_w;
404 hull() translate([0,-st_split_w/2,0]) mirror([1,0,0]) { 404 hull() translate([0,-st_split_w/2,0]) mirror([1,0,0]) {
405 translate([0,0,w]) 405 translate([0,0,w])
406 cube(size=[l,st_split_w,w]); 406 cube(size=[l,st_split_w,w]);
407 cube(size=[l-w,st_split_w,2*w]); 407 cube(size=[l-w,st_split_w,2*w]);
408 } 408 }
409 } 409 }
410 translate([0,0,-epsilon]) 410 translate([0,0,-epsilon])
411 cylinder(d=st_screw_d+st_screw_d_tolerance,h=2*hf+epsilon,$fn=fnd*(st_screw_d+st_screw_d_tolerance)); 411 cylinder(d=st_screw_d+st_screw_d_tolerance,h=st_screw_l-fsw+h+2*epsilon,$fn=fnd*(st_screw_d+st_screw_d_tolerance));
412 } 412 }
413 } 413 }
414 414
415 module knob() { 415 module knob() {
416 ch = knob_indent_d/2; 416 ch = knob_indent_d/2;
417 knob_bore_l = body_h-protrusion_h-pulley_elevation-pulley_h-knob_v_clearance; 417 knob_bore_l = body_h-protrusion_h-pulley_elevation-pulley_h-knob_v_clearance;
418 translate([0,0,body_h+epsilon]) { 418 translate([0,0,body_h+epsilon]) {
419 mirror([0,0,1]) translate([0,0,-epsilon]) { 419 mirror([0,0,1]) translate([0,0,-epsilon]) {
420 difference() { 420 difference() {
421 cylinder(d=pulley_d,h=knob_bore_l,$fn=fnd*pulley_d); 421 cylinder(d=pulley_d,h=knob_bore_l,$fn=fnd*pulley_d);
422 translate([0,0,-1]) difference() { 422 translate([0,0,-1]) difference() {
423 cylinder(d=bore_d+knob_bore_d_tolerance,h=knob_bore_l+2); 423 cylinder(d=bore_d+knob_bore_d_tolerance,h=knob_bore_l+2);