RepRap i3 extruder idler, reinforced

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