diff --git a/Printed-Parts/scad/x-carriage.scad b/Printed-Parts/scad/x-carriage.scad
index 2e1c03a..eaf26cd 100644
--- a/Printed-Parts/scad/x-carriage.scad
+++ b/Printed-Parts/scad/x-carriage.scad
@@ -7,15 +7,34 @@
 
 use <bearing.scad>
 
+module belt_cut()
+{
+    rotate([0,0,180]) 
+    {
+    translate([-20,0,0]) cube([39,0.75,15]);
+    translate([-20,0,5]) rotate([-7,0,0]) cube([39,0.75,10]);
+    translate([-20,0,5]) rotate([10,0,0]) cube([39,0.75,10]);
+     for (_step =[-20:2:18])
+        {
+            translate([_step,0.5,0]) cube([1,1.0,10]);
+        }
+        for (_step =[-20:2:18])
+        {
+            translate([_step,0.5,5]) rotate([-7,0,0]) cube([1,1,10]);
+        }
+    }
+}
+
+
 module x_carriage_base()
 {
     
     // Small bearing holder
     translate([-33/2,0,0]) rotate([0,0,90]) horizontal_bearing_base(1);
- 
+    
     // Long bearing holder
     translate([-33/2,45,0]) rotate([0,0,90]) horizontal_bearing_base(2);
- 
+    
     // Base plate
     translate([-34,-14,0]) cube([34.5,70.5,7]);
     translate([-33,-15,0]) cube([33,7,15]);
@@ -36,42 +55,10 @@ module x_carriage_base()
      
     // Belt holder base
     translate([-42.5,20,0]) cube([52,16,7]);
-    translate([-16.5-12,24.5,0])cylinder(r=4.5, h=14, $fn=25);
-    translate([-17.5+12,24.5,0])cylinder(r=4.5, h=14, $fn=25); 
-    translate([-16.5-12,24.5,14])cylinder(r1=4.5, r2=3.8, h=1, $fn=25);
-    translate([-17.5+12,24.5,14])cylinder(r1=4.5, r2=3.8, h=1, $fn=25);
      
-     
-    // Belt Insert R
-    difference()
-    {
-        union()
-        {
-            translate([2,26.9,0]) cube([10,6.2,15]);
-            translate([2,24-2.3-4.5,0]) cube([7.5,7.5,15]);
-            translate([-0.5,27,0]) cube([8,7,2]);
-        }
-        translate([-3,25,5.5]) rotate([0,0,-40]) cube([5,5.5,10]);
-        translate([8,17,5.5]) rotate([0,0,-60]) cube([2,5,10]);
-    }
-        
-    // Belt Insert L
-    difference()
-    {
-        union()
-        {
-            translate([-33,3,00])
-            {
-                scale([-1,1,1])
-                {
-                    translate([0,26.8,0]) cube([12.5,4.5,15]);
-                    translate([2,27-7.5-2.3,0]) cube([12.5,7.5,15]);
-                    translate([-0.5,27,0]) cube([8,7,2]);
-                }
-            }
-         }
-         translate([-36.5,27.7,5.5]) rotate([0,0,-55]) cube([5,5.5,10]);
-    }
+    // new belt holder base block
+    translate([-42.5,18,7]) cube([52,16.3,8]);
+    
 }
 
 
@@ -105,11 +92,12 @@ module x_carriage_holes()
     translate([-45,52.5,12]) cube([13.5,10,5]); 
     
     // Extruder mounting holes
-    translate([-17.5+12,24.5,-1])cylinder(r=1.8, h=20, $fn=25);
-    translate([-17.5+12,24.5,-0.1])cylinder(r1=2.1,r2=1.8, h=0.5, $fn=25);
+    translate([-17.5+12,24.5,-1])cylinder(r=1.65, h=20, $fn=25);
+    translate([-17.5+12,24.5,-0.1])cylinder(r1=2.1,r2=1.65, h=0.5, $fn=25);
     translate([-17.5+12,24.5,12])cylinder(r=5.8/2, h=20, $fn=25); 
-    translate([-16.5-12,24.5,-1])cylinder(r=1.8, h=20, $fn=25);
-    translate([-16.5-12,24.5,-0.1])cylinder(r1=2.1,r2=1.8, h=0.5, $fn=25);
+
+    translate([-16.5-12,24.5,-1])cylinder(r=1.65, h=20, $fn=25);
+    translate([-16.5-12,24.5,-0.1])cylinder(r1=2.1,r2=1.65, h=0.5, $fn=25);
     translate([-16.5-12,24.5,12])cylinder(r=5.8/2, h=20, $fn=25); 
     
     // Carriage slimer
@@ -125,10 +113,6 @@ module x_carriage_fancy()
     // Top right corner
     translate([11.5,8,0]) translate([0,45+11.5,-1]) rotate([0,0,45]) translate([0,-15,0]) cube([30,30,20]);
     
-    // Belt Smooth insert
-    translate([0,36.5,23.5]) rotate([45,0,0]) translate([0,-15,0]) cube([20,10,10]);
-    translate([-52.9,36.5+3,23.5]) rotate([45,0,0]) translate([0,-15,0]) cube([20,10,10]);   
-    
     // Top left corner
     translate([-33-13.5,-5,0]) translate([0,45+11.5,-1]) rotate([0,0,135]) translate([0,-15,0]) cube([30,30,20]);	
  
@@ -198,23 +182,42 @@ module final_cutout()
     translate([-14.5,9.7,10]) rotate([-5,0,0]) cylinder(r=1.52,r2=2, h=6, $fn=10);  
     
     // bottom back mounting screws
-    translate([-6.5,-11,4]) rotate([0,0,0]) cylinder(r=1.65, h=20, $fn=30);  
-    translate([-26.5,-11,4]) rotate([0,0,0]) cylinder(r=1.65, h=20, $fn=30);  
-    translate([-29.5,-14,10]) cube([6,7,2.2]);
-    translate([-09.5,-14,10]) cube([6,7,2.2]);
-    translate([-28.2,-14,10.3]) cube([3.4,7,2.2]);
-    translate([-08.2,-14,10.3]) cube([3.4,7,2.2]);
+    translate([-6.5,-11,4]) cylinder(r=1.65, h=20, $fn=50);  
+    translate([-26.5,-11,4]) cylinder(r=1.65, h=20, $fn=50);  
+    translate([-29.3,-14,10]) cube([5.6,7,2.1]);
+    translate([-09.3,-14,10]) cube([5.6,7,2.1]);
+    
+    // better printing bridges
+    translate([-29.3,-12.65,10.35]) cube([5.6,3.3,2.1]);
+    translate([-09.3,-12.65,10.35]) cube([5.6,3.3,2.1]);
+    translate([-28.15,-12.65,10.7]) cube([3.3,3.3,2.1]);
+    translate([-8.15,-12.65,10.7]) cube([3.3,3.3,2.1]);
+    
+    
     
     // x-carriage-back mounting screws
-    translate([-4,56,0]) rotate([0,0,0]) cylinder(r=1.65, h=40, $fn=30);  
-    translate([-27.5,56,0]) rotate([0,0,0]) cylinder(r=1.65, h=40, $fn=30);  
-    translate([-30.5,53,8]) cube([6,8,2]);
-    translate([-7,53,8]) cube([6,8,2]);
+    translate([-4,56,0]) cylinder(r=1.7, h=40, $fn=50);  
+    translate([-27.5,56,0]) cylinder(r=1.7, h=40, $fn=50);  
+    translate([-30.3,53,8]) cube([5.6,8,2]);
+    translate([-6.8,53,8]) cube([5.6,8,2]);
     
-    translate([-16,29,0]) rotate([0,0,0]) cylinder(r=1.65, h=40, $fn=30);
-    translate([-19,26,11]) cube([6,8,2]);
+    // better printing bridges
+    translate([-6.8,54.35,8.35]) cube([5.6,3.3,2]);
+    translate([-5.65,54.35,8.7]) cube([3.3,3.3,2]);
+    translate([-30.3,54.35,8.35]) cube([5.6,3.3,2]);
+    translate([-29.15,54.35,8.7]) cube([3.3,3.3,2]);
+    
+    
+    
+    // center mounting screw
+    translate([-16,29,0]) cylinder(r=1.65, h=40, $fn=50);
+    translate([-18.8,26,10.5]) cube([5.6,12,2.1]); 
     translate([-21,33,11]) cube([10,8,6]);
     
+    // better printing bridges
+    translate([-18.8,27.35,10.9]) cube([5.6,3.3,2.1]);
+    translate([-17.65,27.35,11.25]) cube([3.3,3.3,2.1]);
+    
     // opening for power cables to hotend & termistor cable
     translate([-16.5,-18,-5]) rotate([-5,0,0]) cylinder(r=6, h=40, $fn=30);  
     
@@ -246,9 +249,9 @@ module x_carriage()
             x_carriage_block();
             
             // upper motor screw
-            translate([2.5,67.5,-50]) rotate([0,0,0]) cylinder(r=1.8, h=100, $fn=30);
+            translate([2.5,67.5,-50]) cylinder(r=1.8, h=100, $fn=30);
             translate([2.5,67.5,-0.1]) cylinder(r1=2.1,r2=1.8, h=0.5, $fn=25);
-            translate([2.5,67.5,5]) rotate([0,0,0]) cylinder(r=3.2, h=8, $fn=30);
+            translate([2.5,67.5,5]) cylinder(r=3.2, h=8, $fn=30);
             translate([0.5,22.5,0]) rotate([0,90,0]) cylinder(r=5.2, h=7.0, $fn=25);
 
             // cable management cleanup
@@ -259,15 +262,7 @@ module x_carriage()
             }
 
             // selective infill
-            translate([-36.5,21.25,1.5]) cube([0.1,4.5,13.3]);      
-            translate([-38.6,21,1.5]) cube([0.1,6,13.3]);      
-            translate([-41,21,1.5]) cube([0.1,6,13.3]);      
-
-            translate([3.5,21,6]) cube([0.1,2,8.8]);      
-            translate([5,21,6]) cube([0.1,3,8.8]);      
-            translate([6.8,21,5.5]) cube([0.1,3,9]);      
-            translate([8.5,21,5]) cube([0.1,3,9.8]);      
-
+            
             translate([5,-15.4,-1]) rotate([0,45,0]) cube([0.3,4.6,8]);        
             translate([8.45,11.5,1]) cube([0.5,1.8,4]);        
             
@@ -280,9 +275,8 @@ module x_carriage()
             translate([6,7.5,-1]) cube([1,0.5,5]);  
             translate([6,10.5,-1]) cube([1,0.5,5]);  
             
-            translate([-19,24,1.5]) cube([5,0.4,13.0]);      
-            translate([-20.5,27,1.5]) rotate([0,0,20])  cube([0.4,5,13.0]);      
-            
+            translate([-19,24,1.5]) cube([6,0.5,12.0]);      
+                        
             //cable openings in guides
             translate([-40.8,7.5,0]) rotate([0,20,0]) cube([5,3.5,20]);
             translate([-2.9,7.5,18]) rotate([0,80,0]) cube([20,3.55,5]);
@@ -298,11 +292,77 @@ module x_carriage()
             translate([-12.5,58,8]) rotate([0,0,45]) cube([3,3,14]);
             translate([-10,58,8]) rotate([0,0,45]) cube([3,3,14]);
             
+            translate([0,-0.5,0]) left_belt_cut();
+            translate([0,0.5,0]) right_belt_cut();
+            
             //version
             translate([-2,-8,0.5]) rotate([0,180,0]) linear_extrude(height = 0.6) 
-            { text("R1",font = "helvetica:style=Bold", size=4, center=true); }
+            { text("R2",font = "helvetica:style=Bold", size=5, center=true); }
+
     }
 }
 
 
+module left_belt_cut()
+{
+
+        translate([-22.5,30.2,7]) cylinder(r=1.5, h=100, $fn=30);
+        translate([-23.0,20,7]) cube([2,10,30]);
+        translate([-56.5,28.5,7]) belt_cut();
+        translate([13.5,20.5,0]) rotate([0,0,25])
+        {
+            difference()
+            {
+            translate([-56.5,28.5,7]) belt_cut();
+            translate([-80,25,7]) cube([37.5,10,30]);
+            }
+        }
+        translate([13.2,2.38,0]) rotate([0,0,0])
+        {
+            difference()
+            {
+            translate([-56.5,28.5,7]) belt_cut();
+            translate([-82.42,25,7]) cube([37.5,10,30]);
+            }
+        }
+        translate([-45,17.6,4]) rotate([0,0,-15]) cube([10,3,30]);
+        translate([-31.5,30.4,10]) rotate([-10,0,15]) cylinder(r=0.2, h=100, $fn=30);
+        translate([-31.6,30.75,7]) rotate([0,0,0]) cylinder(r=0.2, h=100, $fn=30);
+    }
+
+
+module right_belt_cut()
+{
+        // right belt cut
+        translate([-9.6,29.7,7]) cylinder(r=1.5, h=100, $fn=30);
+        translate([-11.1,19.8,7]) cube([2,10,30]);
+        translate([22.5,25.5,7]) belt_cut();
+        translate([66.65,1.95,0]) rotate([0,0,0])
+        {
+            difference()
+            {
+                translate([-56.5,28.5,7]) belt_cut();
+                translate([-71.55,25,7]) cube([37.5,10,30]);
+            }
+        }
+        translate([43.2,-30.25,0]) rotate([0,0,-30])
+        {
+        difference()
+            {
+                translate([-56.5,28.5,7]) belt_cut();
+                translate([-82.1,25,7]) cube([10,10,30]);
+                translate([-61.5,25,7]) cube([20.5,10,30]);
+            }
+        }
+        translate([2,14.6,7]) rotate([0,0,15]) cube([10,3,30]);
+        translate([-5.1,30,10]) rotate([-10,0,-15]) cylinder(r=0.2, h=100, $fn=30);
+        translate([-5,30.3,7]) rotate([0,0,0]) cylinder(r=0.2, h=100, $fn=30);
+    }
+
+
 x_carriage();
+    
+    
+    
+    
+