finetune filament offset relative to the pulley

1 files changed, 7 insertions, 6 deletions

diff --git a/another.scad b/another.scad
index b80d0d0..a93d21a 100644
--- a/another.scad
+++ b/another.scad
@@ -20,2 +20,3 @@ module the_extruder(
          teeth_elevation = 7.5,                         // distance from the bottom of the pulley to its teeth
+ filament_offset = (8.25-(3.0+3.5)/2) - 11.5/2 + 1.75/2,
  // idler properties
@@ -123,3 +124,3 @@ module the_extruder(
      // filament path
-     rotate([0,0,45]) translate([pulley_d/2,0,0]) {
+     rotate([0,0,45]) translate([pulley_d/2+filament_offset,0,0]) {
       rotate([90,0,0]) cylinder(d=filament_d,h=gearbox_d*2,center=true,$fn=15);
@@ -154,3 +155,3 @@ module the_extruder(
     place_idler() {
-     translate([-idler_d/2,0,0]) rotate([90,0,0]) {
+     translate([-idler_d/2+filament_offset,0,0]) rotate([90,0,0]) {
       cylinder(d=filament_path_d,h=3*gearbox_d,center=true,$fn=30);
@@ -159,3 +160,3 @@ module the_extruder(
      }//rotate translate
-     translate([-idler_d/2,0,0])
+     translate([-idler_d/2+filament_offset,0,0])
      rotate([90,0,0])
@@ -248,3 +249,3 @@ module the_extruder(
     translate([0,0,filament_elevation])
-    rotate([0,0,45]) translate([pulley_d/2,0,0])
+    rotate([0,0,45]) translate([pulley_d/2+filament_offset,0,0])
     rotate([-90,0,0])
@@ -294,3 +295,3 @@ module the_extruder(
    translate([0,0,filament_elevation])
-   rotate([0,0,45]) translate([pulley_d/2,0,0])
+   rotate([0,0,45]) translate([pulley_d/2+filament_offset,0,0])
    rotate([-90,0,0])
@@ -330,3 +331,3 @@ module the_extruder(
     (
-     pulley_d/2-
+     pulley_d/2+filament_offset-
      (pf_d(pf)+2*pf_shell)/2/cos(30)