diff --git a/Printed-Parts/scad/z-axis-bottom.scad b/Printed-Parts/scad/z-axis-bottom.scad
index ff23b0e..5bc87ec 100644
--- a/Printed-Parts/scad/z-axis-bottom.scad
+++ b/Printed-Parts/scad/z-axis-bottom.scad
@@ -7,9 +7,9 @@
 
 module z_bottom_base()
 {
-     translate([0,-1.5,0]) cube([8,49,16+20]); // plate touching the base
-     translate([0,-5,0]) cube([30,4.01,22]); // plate touching the base
-     translate([0,41.5,0]) cube([30,6.01,22]); // plate touching the base
+     translate([0,-1.5,0]) cube([7.5,49,16+20]); // plate touching the base
+     translate([0,-5,0]) cube([30,3.7,22]); // plate touching the base
+     translate([0,42,0]) cube([30,5.5,22]); // plate touching the base
      translate([0,-5,0]) cube([50,52.5,5]); // plate touching the base
 }
 
@@ -41,9 +41,9 @@ module z_bottom_fancy()
 module z_bottom_holes()
 {
     // Frame mounting screw holes
-    translate([-1,10,12]) rotate([0,90,0]) cylinder(h = 20, r=1.8, $fn=30);
-    translate([-1,10+20,12]) rotate([0,90,0]) cylinder(h = 20, r=1.8, $fn=30);
-    translate([-1,10+10,32]) rotate([0,90,0]) cylinder(h = 20, r=1.8, $fn=30);
+    translate([-1,10,12]) rotate([0,90,0]) cylinder(h = 20, r=1.6, $fn=50);
+    translate([-1,10+20,12]) rotate([0,90,0]) cylinder(h = 20, r=1.6, $fn=50);
+    translate([-1,10+10,32]) rotate([0,90,0]) cylinder(h = 20, r=1.6, $fn=50);
 
     // Frame mounting screw head holes
     translate([4,10,12]) rotate([0,90,0]) cylinder(h = 20, r=3.1, $fn=30);
@@ -53,25 +53,26 @@ module z_bottom_holes()
     translate([4,10,38]) rotate([0,45,0]) cube([10,20,10]);
 
     // Z rod holder
-    translate([25+4.3,3,-1]) rotate([0,0,0]) cylinder(h = 50, r=4.1, $fn=50);
-    translate([25+4.3,3,-1]) rotate([0,0,0]) cylinder(h = 2.6, r1=4.5, r2=4.1, $fn=50);
+    translate([25+4.3,3,-1]) rotate([0,0,0]) cylinder(h = 50, r=4.05, $fn=50);
+    translate([25+4.3,3,-1]) rotate([0,0,0]) cylinder(h = 2.6, r1=4.8, r2=4.05, $fn=50);
     translate([25+4.3-1,3,0.6]) cube([2,10,7]); // it's bit up because it helps with printing
 
     // motor mounting
     translate([25+4.3,20,-1]){
 
-    translate([15.5,15.5,-1]) cylinder(h = 20, r=1.8, $fn=30);
-    translate([15.5,-15.5,-1]) cylinder(h = 20, r=1.8, $fn=30);
-    translate([-15.5,15.5,-1]) cylinder(h = 20, r=1.8, $fn=30);
-    translate([-15.5,-15.5,-1]) cylinder(h = 20, r=1.8, $fn=30);
+    translate([15.5,15.5,-1]) cylinder(h = 20, r=1.65, $fn=50);
+    translate([15.5,-15.5,-1]) cylinder(h = 20, r=1.65, $fn=50);
+    translate([-15.5,15.5,-1]) cylinder(h = 20, r=1.65, $fn=50);
+    translate([-15.5,-15.5,-1]) cylinder(h = 20, r=1.65, $fn=50);
         
-    translate([15.5,15.5,0]) cylinder(h = 2, r1=2.1, r2=1.8,$fn=30);
-    translate([15.5,-15.5,0]) cylinder(h = 2, r1=2.1, r2=1.8, $fn=30);
-    translate([-15.5,15.5,0]) cylinder(h = 2, r1=2.1, r2=1.8, $fn=30);
-    translate([-15.5,-15.5,0]) cylinder(h = 2, r1=2.1, r2=1.8, $fn=30);
+    translate([15.5,15.5,0]) cylinder(h = 2, r1=2.4, r2=1.6,$fn=50);
+    translate([15.5,-15.5,0]) cylinder(h = 2, r1=2.4, r2=1.6, $fn=50);
+    translate([-15.5,15.5,0]) cylinder(h = 2, r1=2.4, r2=1.6, $fn=50);
+    translate([-15.5,-15.5,0]) cylinder(h = 2, r1=2.4, r2=1.6, $fn=50);
 
     // motor opening
-    translate([0,0,-1]) cylinder(h = 20, r=12, $fn=30);
+    translate([0,0,-1]) cylinder(h = 20, r=11.2, $fn=30);
+    translate([0,0,-0]) cylinder(h = 2, r2=11.2, r1=12, $fn=30);
  }
 
 }
@@ -86,8 +87,8 @@ module z_bottom_right()
             z_bottom_fancy();
             z_bottom_holes();
         }
-        translate([7.5,25,12]) rotate([90,180,90]) linear_extrude(height = 0.6) 
-        { text("R1",font = "helvetica:style=Bold", size=5, center=true); }
+        translate([7.3,25,12]) rotate([90,180,90]) linear_extrude(height = 0.6) 
+        { text("R2",font = "helvetica:style=Bold", size=5, center=true); }
     }
 }
 
@@ -102,8 +103,8 @@ module z_bottom_left()
             z_bottom_fancy();
             z_bottom_holes();
         }
-        translate([7.5,-28.5,12]) rotate([90,180,90]) linear_extrude(height = 0.6) 
-        { text("R1",font = "helvetica:style=Bold", size=5, center=true); }
+        translate([7.3,-28.5,12]) rotate([90,180,90]) linear_extrude(height = 0.6) 
+        { text("R2",font = "helvetica:style=Bold", size=5, center=true); }
     }
 }
 
diff --git a/Printed-Parts/scad/z-axis-top.scad b/Printed-Parts/scad/z-axis-top.scad
index 268efcd..be34014 100644
--- a/Printed-Parts/scad/z-axis-top.scad
+++ b/Printed-Parts/scad/z-axis-top.scad
@@ -8,7 +8,7 @@
 module z_top_base()
 {
     translate([0,-5,0]) cube([8,45,16]); // plate touching the base
-    translate([0,-5,0]) cube([33,3.9,12]); // plate touching the base
+    translate([0,-5,0]) cube([33,3.6,12]); // plate touching the base
     translate([0,-5,0]) cube([38,45,5]); // plate touching the base   
     translate([25+4.3,3.2,5]) rotate([0,0,0]) cylinder(h = 2.5, r=7, $fn=60);
 }
@@ -46,8 +46,8 @@ module z_top_fancy()
 module z_top_holes()
 {
     // Screw holes frame
-    translate([-1,10,10])      rotate([0,90,0]) cylinder(h = 20, r=1.8, $fn=30);
-    translate([-1,10+20,10])   rotate([0,90,0]) cylinder(h = 20, r=1.8, $fn=30);
+    translate([-1,10,10])      rotate([0,90,0]) cylinder(h = 20, r=1.6, $fn=30);
+    translate([-1,10+20,10])   rotate([0,90,0]) cylinder(h = 20, r=1.6, $fn=30);
 
     // Screw heads
     translate([4,10,10]) rotate([0,90,0]) cylinder(h = 20, r=3.1, $fn=30);
@@ -56,8 +56,8 @@ module z_top_holes()
     translate([4,10+20-3.1,10]) cube([10,6.2,10]);
 
     // Z rod holder
-    translate([25+4.3,3,0.6]) rotate([0,0,0]) cylinder(h = 50, r=4.10, $fn=50);
-    translate([25+4.3,3,3.4]) rotate([0,0,0]) cylinder(h = 4.2, r2=4.3, r1=4, $fn=50);
+    translate([25+4.3,3,0.6]) rotate([0,0,0]) cylinder(h = 50, r=4.05, $fn=50);
+    translate([25+4.3,3,3.4]) rotate([0,0,0]) cylinder(h = 4.2, r2=4.3, r1=4.05, $fn=50);
     
     // material saving cut
     translate([16,10,-4]) rotate([0,0,0]) cylinder(h = 50, r=8, $fn=6);  
@@ -84,7 +84,7 @@ module z_top_right(){
         z_top_holes();
          //version
         translate([12,-1.5,10]) rotate([90,180,180]) linear_extrude(height = 0.6) 
-        { text("R1",font = "helvetica:style=Bold", size=4, center=true); }
+        { text("R2",font = "helvetica:style=Bold", size=4, center=true); }
     }
 }
 
@@ -97,7 +97,7 @@ module z_top_left(){
         z_top_holes();
         //version
         translate([19,-1,10]) rotate([90,180,0]) linear_extrude(height = 0.6) 
-        { text("R1",font = "helvetica:style=Bold", size=4, center=true); }
+        { text("R2",font = "helvetica:style=Bold", size=4, center=true); }
     }
 }