From 83611090e9424595714c8fe041a1b8a4d2d36925 Mon Sep 17 00:00:00 2001
From: Michael Krelin <hacker@klever.net>
Date: Fri, 10 Aug 2018 10:40:52 +0000
Subject: added funnel to catch filament on input

---
diff --git a/another.scad b/another.scad
index 7e8a45f..342d70c 100644
--- a/another.scad
+++ b/another.scad
@@ -149,11 +149,23 @@ module the_extruder(
     }//union
  
     // filament path
-    place_idler() translate([-(idler_d+filament_path_d)/2,0,0]) rotate([90,0,0]) {
-     cylinder(d=filament_path_d,h=3*gearbox_d,center=true,$fn=30);
-     translate([0,-filament_path_d/2/sqrt(2),0]) rotate([0,0,45])
-     cube(size=[filament_path_d/2,filament_path_d/2,3*gearbox_d],center=true);
-    }
+    place_idler() {
+     translate([-(idler_d+filament_path_d)/2,0,0]) rotate([90,0,0]) {
+      cylinder(d=filament_path_d,h=3*gearbox_d,center=true,$fn=30);
+      translate([0,-filament_path_d/2/sqrt(2),0]) rotate([0,0,45])
+      cube(size=[filament_path_d/2,filament_path_d/2,3*gearbox_d],center=true);
+     }//rotate translate
+     translate([-(idler_d+filament_path_d)/2,0,0])
+     rotate([90,0,0])
+     translate([0,0,
+      sqrt(2)*(mount_d-pulley_d+filament_path_d+lsd)/2
+     ]) {
+      cylinder(d1=filament_path_d,d2=2*filament_path_d,
+               h=filament_path_d,$fn=2*filament_path_d*fnd);
+      translate([0,0,filament_path_d-epsilon])
+      cylinder(d=2*filament_path_d,h=lsd,$fn=2*filament_path_d*fnd);
+     }
+    }//place_idler
     
     // idler space and mounting hole
     place_idler() {
--
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