From 0cabeb3bb9ea8896102d6046a30cb16ce250ff5f Mon Sep 17 00:00:00 2001
From: carlosgs <carlosgarciasaura@gmail.com>
Date: Sun, 2 Jun 2013 15:35:50 +0200
Subject: [PATCH] Larger hole for the Z threaded rod in the bottom piece

---
 Hardware/XZ_axis/Z_carriage.scad              |   15 +-
 ...carriage_prev.scad => Z_carriage_old.scad} |    0
 Hardware/XZ_axis/stl/Z_carriage_bottom.stl    | 3284 ++++++++---------
 .../{Z_carriage.stl => Z_carriage_old.stl}    |    0
 4 files changed, 1471 insertions(+), 1828 deletions(-)
 rename Hardware/XZ_axis/{Z_carriage_prev.scad => Z_carriage_old.scad} (100%)
 rename Hardware/XZ_axis/stl/{Z_carriage.stl => Z_carriage_old.stl} (100%)

diff --git a/Hardware/XZ_axis/Z_carriage.scad b/Hardware/XZ_axis/Z_carriage.scad
index 6afda9c..a7ad21e 100644
--- a/Hardware/XZ_axis/Z_carriage.scad
+++ b/Hardware/XZ_axis/Z_carriage.scad
@@ -201,8 +201,15 @@ module Z_carriage(showSpindle=false,top_part=true) {
 		}
 
 		// Hole for the threaded rod
-		if(!top_part) cylinder(r=2+M8_rod_diameter/2,h=wall_thickness*10,center=true,$fn=30);
-		// Truncation for avoiding collision with the X axis
+		if(!top_part) {
+			hull() {
+				cylinder(r=2+M8_rod_diameter/2,h=wall_thickness*10,center=true,$fn=30);
+				translate([-15,0,0])
+					cylinder(r=2+M8_rod_diameter/2,h=wall_thickness*10,center=true,$fn=30);
+			}
+		}
+
+		// Truncation in the base for avoiding collision with the X axis
 		if(!top_part) translate([-15,0,0]) rotate([0,45,0]) cube([20,100,10],center=true);
 	}
 	if(showSpindle) rotate([0,0,-90]) translate([0,wall_width-4-Z_threaded_pos,0])
@@ -214,8 +221,8 @@ module Z_carriage_assembled() {
 	translate([0,0,3+23*2]) rotate([180,0,0]) Z_carriage(showSpindle=false,top_part=true);
 }
 
-Z_carriage(top_part=true);
-//Z_carriage(top_part=false);
+//Z_carriage(top_part=true);
+Z_carriage(top_part=false);
 
 
 //Z_carriage_assembled();
diff --git a/Hardware/XZ_axis/Z_carriage_prev.scad b/Hardware/XZ_axis/Z_carriage_old.scad
similarity index 100%
rename from Hardware/XZ_axis/Z_carriage_prev.scad
rename to Hardware/XZ_axis/Z_carriage_old.scad
diff --git a/Hardware/XZ_axis/stl/Z_carriage_bottom.stl b/Hardware/XZ_axis/stl/Z_carriage_bottom.stl
index 3dccab5..f438c8a 100644
--- a/Hardware/XZ_axis/stl/Z_carriage_bottom.stl
+++ b/Hardware/XZ_axis/stl/Z_carriage_bottom.stl
@@ -1,16 +1,30 @@
 solid OpenSCAD_Model
+  facet normal -0.992115 0.125333 0
+    outer loop
+      vertex -10.6789 28.1719 2.74995
+      vertex -10.6789 28.1719 8
+      vertex -10.5105 29.505 2.58154
+    endloop
+  endfacet
+  facet normal -0.992115 0.125333 0
+    outer loop
+      vertex -10.5105 29.505 2.58154
+      vertex -10.6789 28.1719 8
+      vertex -10.5105 29.505 8
+    endloop
+  endfacet
   facet normal -1 -2.22045e-16 0
     outer loop
       vertex -10.6789 28.1719 2.74995
-      vertex -10.6789 -28.1719 2.74995
+      vertex -10.6789 6.06658 2.74995
       vertex -10.6789 28.1719 8
     endloop
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   facet normal -1 -2.22045e-16 0
     outer loop
       vertex -10.6789 28.1719 8
-      vertex -10.6789 -28.1719 2.74995
-      vertex -10.6789 -28.1719 8
+      vertex -10.6789 6.06658 2.74995
+      vertex -10.6789 6.06658 8
     endloop
   endfacet
   facet normal -0.707107 0 -0.707107
@@ -45,168 +59,266 @@ solid OpenSCAD_Model
     outer loop
       vertex -10.5105 29.505 2.58154
       vertex -7.92893 34.6565 0
-      vertex -7.92893 -34.6565 0
+      vertex -7.92893 6.06658 0
     endloop
   endfacet
   facet normal -0.707107 0 -0.707107
     outer loop
       vertex -10.5105 29.505 2.58154
-      vertex -7.92893 -34.6565 0
-      vertex -8.24449 -34.3204 0.31556
+      vertex -7.92893 6.06658 0
+      vertex -10.6789 6.06658 2.74995
     endloop
   endfacet
   facet normal -0.707107 0 -0.707107
     outer loop
       vertex -10.5105 29.505 2.58154
-      vertex -8.24449 -34.3204 0.31556
-      vertex -9.03431 -33.2333 1.10538
-    endloop
-  endfacet
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-    outer loop
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-      vertex -9.68165 -32.0558 1.75272
-    endloop
-  endfacet
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-    outer loop
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-    endloop
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-    outer loop
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     endloop
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-      vertex -10.6789 28.1719 8
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     outer loop
       vertex -10.5105 29.505 2.58154
-      vertex -10.6789 28.1719 8
       vertex -10.5105 29.505 8
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   facet normal 0 0 1
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-      vertex -1.885 5.80144 8
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+      vertex 5.9667 1.26826 8
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+    outer loop
+      vertex 13 -20 8
+      vertex 5.9667 1.26826 8
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     endloop
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   facet normal 0 0 1
@@ -706,13 +818,6 @@ solid OpenSCAD_Model
       vertex 38.6389 -32.2789 8
     endloop
   endfacet
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   facet normal 0 0 1
     outer loop
       vertex 38.6389 -32.2789 8
@@ -741,6 +846,20 @@ solid OpenSCAD_Model
       vertex 35.3024 -31.3849 8
     endloop
   endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex -5.27101 -21.8869 8
+      vertex -4.52595 -21.2706 8
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+  endfacet
   facet normal 0 0 1
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@@ -804,13 +923,6 @@ solid OpenSCAD_Model
       vertex 26.1782 17.3974 8
     endloop
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@@ -1361,28 +1473,35 @@ solid OpenSCAD_Model
     outer loop
       vertex -7.56361 -28.9428 8
       vertex -7.68481 -27.9835 8
-      vertex -7.32465 -35.3 8
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@@ -1401,639 +1520,86 @@ solid OpenSCAD_Model
   endfacet
   facet normal 0 0 1
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-      vertex -7.32465 -35.3 8
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diff --git a/Hardware/XZ_axis/stl/Z_carriage.stl b/Hardware/XZ_axis/stl/Z_carriage_old.stl
similarity index 100%
rename from Hardware/XZ_axis/stl/Z_carriage.stl
rename to Hardware/XZ_axis/stl/Z_carriage_old.stl