From 9de54bb5aaafcdedcf7d0e1bfefab0ac4b30cbd6 Mon Sep 17 00:00:00 2001
From: "Jan \"Yenya\" Kasprzak" <kas@fi.muni.cz>
Date: Tue, 31 Mar 2015 17:25:40 +0200
Subject: [PATCH] RepRap i3 extruder idler, reinforced

---
 i3-idler.scad | 56 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 i3-idler.scad

diff --git a/i3-idler.scad b/i3-idler.scad
new file mode 100644
index 0000000..8ee6a70
--- /dev/null
+++ b/i3-idler.scad
@@ -0,0 +1,56 @@
+module extruder_idler_base(){
+ translate([1.25,0,0]) union() {
+	cube([22,42+11,8+3]);
+	translate([0, 42/2, 7])
+		scale([1, 3, 1])
+		rotate([0, 90, 0])
+		cylinder(h = 22,r = 5.5);
+}
+	
+}
+
+module extruder_idler_holes(){
+ translate([12,21,0]){
+  // Main cutout
+  cube([11,23,25], center=true);
+  // Idler shaft
+  translate([-12,0,4.1+2])rotate([0,90,0])cylinder(r=4.1, h=24);
+  // Screw holes
+  //translate([7,-16,-1]) cylinder(r=2.2, h=24);
+  //translate([-7,-16,-1]) cylinder(r=2.2, h=24);
+  hull() {
+    translate([7,17,-1]) cylinder(r=2.2, h=24);
+    translate([7,17,-1]) rotate([10,0,0]) cylinder(r=2.2, h=24);
+  }
+  hull() {
+    translate([-7,17,-1]) cylinder(r=2.2, h=24);
+    translate([-7,17,-1]) rotate([10,0,0]) cylinder(r=2.2, h=24);
+  }
+ }
+}
+
+
+// Idler final part
+module idler(){
+ difference(){
+  extruder_idler_base();
+  extruder_idler_holes();
+  translate([0,41,-1]) cube(size=[25,20,20]); // <<<
+ }
+}
+
+idler();
+translate([0,-6,0]) screwholder();
+
+//module screwholder() {
+	//difference() {
+		//hull() {
+		//	translate([4,0,0]) cylinder(r=4,h=5);
+		//	translate([20,0,0]) cylinder(r=4,h=5);
+		//}
+  		//translate([5,0,-1])cylinder(r=2.2, h=24);
+  		//translate([19,0,-1])cylinder(r=2.2, h=24);
+  		//translate([5,0,2])cylinder(r=6/2, h=24);
+  		//translate([19,0,2])cylinder(r=6/2, h=24);
+//}
+//}
-- 
2.43.0