diff --git a/Motorhalter.scad b/Motorhalter.scad
index 1b16259..23107f7 100644
--- a/Motorhalter.scad
+++ b/Motorhalter.scad
@@ -18,7 +18,7 @@ Motorhalter();
 module Motorhalter() {
     render() difference() {
         mainbody();
-        translate([motorwidth, wanddickelinks, 0]) motorholes();
+        translate([motorwidth, wanddickelinks, 0]) motorholes(wanddickemotor);
         leftholes();
     }
 }
@@ -35,17 +35,17 @@ module mainbody() {
         polygon([[0, 0], [0, motorheight * 2 / 3], [motorwidth * 2 / 3, motorheight * 2 / 3]]);
 }
 
-module motorholes() {
-    translate([0, motorheight / 2, motorheight / 2])rotate([0, 90, 0])cylinder(h = wanddickemotor, d = cylinderdiameter,
+module motorholes(thickness) {
+    translate([0, motorheight / 2, motorheight / 2])rotate([0, 90, 0])cylinder(h = thickness, d = cylinderdiameter,
     $fn = 130);
 
-    translate([0, motorheight - motorholedistance, motorheight - motorholedistance]) MotorM3Hole();
+    translate([0, motorheight - motorholedistance, motorheight - motorholedistance]) MotorM3Hole(thickness);
 
-    translate([0, motorheight - motorholedistance, motorholedistance]) MotorM3Hole();
+    translate([0, motorheight - motorholedistance, motorholedistance]) MotorM3Hole(thickness);
 
-    translate([0, motorholedistance, motorheight - motorholedistance]) MotorM3Hole();
+    translate([0, motorholedistance, motorheight - motorholedistance]) MotorM3Hole(thickness);
 
-    translate([0, motorholedistance, motorholedistance]) MotorM3Hole();
+    translate([0, motorholedistance, motorholedistance]) MotorM3Hole(thickness);
 }
 
 module leftholes() {
@@ -60,8 +60,8 @@ module leftholes() {
 }
 
 
-module MotorM3Hole() {
-    rotate([0, 90, 0])cylinder(h = wanddickemotor, d = M3HoleDiam);
+module MotorM3Hole(thickness) {
+    rotate([0, 90, 0])cylinder(h = thickness, d = M3HoleDiam);
 }
 
 module LeftM3Hole() {
diff --git a/SliderLeft.scad b/SliderLeft.scad
index 422dc0d..637830a 100644
--- a/SliderLeft.scad
+++ b/SliderLeft.scad
@@ -1,7 +1,9 @@
+use <Motorhalter.scad>;
+
 M3HoleDiam = 3.4;
 
 MountSize = 40;
-BodyWidth = 60;
+BodyWidth = 55;
 
 $fn = 100;
 
@@ -9,15 +11,18 @@ difference() {
     MainBody();
     M3MountHoles();
     BottomZRodHoles();
+    YRodHoles();
+    
+    translate([10, 45, 0]) rotate([0, 0, -90]) #motorholes(6);
 }
 
 module M3MountHoles(){
     edgeDistance = (MountSize-20)/2;
 
-    translate([0, edgeDistance, edgeDistance]) M3Hole(40);
-    translate([0, MountSize-edgeDistance, edgeDistance]) M3Hole(40);
-    translate([0, edgeDistance, MountSize-edgeDistance]) M3Hole(40);
-    translate([0, MountSize-edgeDistance, MountSize-edgeDistance]) M3Hole(40);
+    translate([0, edgeDistance, edgeDistance]) #M3Hole(6);
+    translate([0, MountSize-edgeDistance, edgeDistance]) #M3Hole(6);
+    translate([0, edgeDistance, MountSize-edgeDistance]) #M3Hole(6);
+    translate([0, MountSize-edgeDistance, MountSize-edgeDistance]) #M3Hole(6);
 }
 
 module BottomZRodHoles(){
@@ -25,13 +30,24 @@ module BottomZRodHoles(){
     ycenter = MountSize/2 - 10;
     holedistance = 10.6;
 
-    translate([xcenter + holedistance/2, ycenter + holedistance/2, 0]) rotate([0,270,0]) M3Hole(5);
-    translate([xcenter - holedistance/2, ycenter + holedistance/2, 0]) rotate([0,270,0]) M3Hole(5);
-    translate([xcenter + holedistance/2, ycenter - holedistance/2, 0]) rotate([0,270,0]) M3Hole(5);
-    translate([xcenter - holedistance/2, ycenter - holedistance/2, 0]) rotate([0,270,0]) M3Hole(5);
+    translate([xcenter + holedistance/2, ycenter + holedistance/2, -5]) rotate([0,270,0]) #M3Hole(6);
+    translate([xcenter - holedistance/2, ycenter + holedistance/2, -5]) rotate([0,270,0]) #M3Hole(6);
+    translate([xcenter + holedistance/2, ycenter - holedistance/2, -5]) rotate([0,270,0]) #M3Hole(6);
+    translate([xcenter - holedistance/2, ycenter - holedistance/2, -5]) rotate([0,270,0]) #M3Hole(6);
 
     // center hole
-    translate([xcenter, ycenter, 0]) rotate([0,0,0]) cylinder(h = 5, d = 10.1);
+    translate([xcenter, ycenter, -5]) rotate([0,0,0]) #cylinder(h = 6, d = 10.1);
+}
+
+module YRodHoles(){
+    translate([55, 30, 52.5]) rotate([0, 90, 0]) #cylinder(h = 6, d = 8);
+    translate([55, 30, -12.5]) rotate([0, 90, 0]) #cylinder(h = 6, d = 8);
+    
+    translate([55, 25, 10]) union() {
+        #cube([6,10,20]);
+        translate([0, 5, 0]) rotate([0, 90, 0]) #cylinder(h = 6, d = 10);
+        translate([0, 5, 20]) rotate([0, 90, 0]) #cylinder(h = 6, d = 10);
+    }
 }
 
 module M3Hole(thickness) {
@@ -40,16 +56,16 @@ module M3Hole(thickness) {
 
 module MainBody() {
     // left mount plate
-    cube([5, MountSize, MountSize]);
+    translate([0,0,-5]) cube([5, MountSize, MountSize+10]);
 
     // bottom frame plate
-    translate([5, 0,0 ]) cube([BodyWidth, MountSize, 5]);
+    translate([5, 0,-5 ]) cube([BodyWidth, MountSize, 5]);
+    // up frame plate
+    translate([5, 20,40 ]) cube([BodyWidth, 20, 3]);
 
     // motorholder plate
-    translate([0, MountSize,0 ]) cube([40+5, 5, 40]);
+    translate([0, MountSize,-5 ]) cube([40+20, 5, 50]);
 
-    // top rod holde
-    translate([BodyWidth, 10,5 ]) cube([5, 20, 30]);
-
-    translate([BodyWidth, 10, -35 ]) cube([5, 20, 35]);
+    // rod holder
+    translate([BodyWidth, 20,-20 ]) cube([5, 25, 80]);
 }