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-rw-r--r--another.scad55
1 files changed, 49 insertions, 6 deletions
diff --git a/another.scad b/another.scad
index 2be24e4..844dc3b 100644
--- a/another.scad
+++ b/another.scad
@@ -33,2 +33,6 @@ module the_extruder(
33 knob_indents = 12, 33 knob_indents = 12,
34 // spring tensioner
35 st_nut_d = 9, st_nut_h = 4,
36 st_screw_d = 5,
37 st_shell = 4*extrusion_width,
34 38
@@ -52,6 +56,8 @@ module the_extruder(
52 56
53 what="lever", 57 what="lever", // lever|body|knob|springpad|*
54 left=false, 58 left=false,
55 vitamins = true, 59 vitamins = true,
56 supports = false 60 supports = false,
61 tensioner = true,
62 debug = false
57) { 63) {
@@ -199,4 +205,21 @@ module the_extruder(
199 } 205 }
200 translate([0,-longwing,ls_z]) rotate([0,-90,0]) 206 translate([0,-longwing,ls_z]) rotate([0,-90,0]) {
201 finger_indent(d=lever_thickness-1,r=15); 207 if(!tensioner) finger_indent(d=lever_thickness-1,r=15); else {
208 if(debug) translate([0,-gearbox_d,-gearbox_d]) cube(size=[body_h/2+1,gearbox_d,gearbox_d+2]);
209 mirror([0,0,1]) {
210 translate([0,0,st_shell])
211 hull() for(o=[0,spring_d]) translate([0,-o,0])
212 rotate([0,0,30])
213 cylinder(d=st_nut_d,h=st_nut_h,$fn=6);
214 translate([0,0,-1]) cylinder(d=st_screw_d,h=fsw+2,$fn=st_screw_d*PI*2);
215 bigd = spring_d+spring_d_clearance;
216 hf = (bigd-st_screw_d)/2;
217 translate([0,0,st_shell+st_nut_h+st_shell-epsilon])
218 cylinder(d1=st_screw_d,d2=bigd,
219 h=hf+epsilon, $fn=bigd*PI*2 );
220 translate([0,0,st_shell+st_nut_h+st_shell+hf-epsilon])
221 cylinder(d=bigd,h=fsw+1,$fn=bigd*PI*2);
222 }
223 }
224 }
202 } // translate 225 } // translate
@@ -262,3 +285,3 @@ module the_extruder(
262 //translate([-mount_d/2,-longwing,filament_elevation]) 285 //translate([-mount_d/2,-longwing,filament_elevation])
263 translate([mount_d/2,-longwing,filament_elevation]) 286 if(!tensioner) translate([mount_d/2,-longwing,filament_elevation])
264 rotate([0,-90,0]) difference() { 287 rotate([0,-90,0]) difference() {
@@ -297,2 +320,17 @@ module the_extruder(
297 320
321 module springpad() {
322 smalld=st_screw_d+extrusion_width;
323 bigd = spring_d+spring_d_clearance/2;
324 hf = (bigd-smalld)/2;
325 translate([-gearbox_d/2+st_shell+st_nut_h+st_shell+smalld,-longwing,filament_elevation])
326 rotate([0,90,0]) difference() {
327 union() {
328 cylinder(d1=smalld,d2=bigd,h=hf,$fn=bigd*PI*2);
329 translate([0,0,hf-epsilon])
330 cylinder(d=bigd,h=hf*2,$fn=bigd*PI*2);
331 }
332 cylinder(d=st_screw_d,h=2*hf,$fn=st_screw_d*PI*2);
333 }
334 }
335
298 module knob() { 336 module knob() {
@@ -329,3 +367,7 @@ module the_extruder(
329 else if(what=="knob") color("red",0.7) knob(); 367 else if(what=="knob") color("red",0.7) knob();
330 else if(what=="both" || what=="*") { 368 else if(what=="springpad") color("blue",0.7) springpad();
369 else if(what=="both") {
370 color("green",0.7) lever();
371 color("yellow",0.7) body();
372 }else{
331 color("green",0.7) lever(); 373 color("green",0.7) lever();
@@ -333,2 +375,3 @@ module the_extruder(
333 color("red",0.7) knob(); 375 color("red",0.7) knob();
376 color("blue",0.7) springpad();
334 } 377 }