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
new file mode 100644
index 0000000..637830a
--- /dev/null
+++ b/SliderLeft.scad
@@ -0,0 +1,71 @@
+use <Motorhalter.scad>;
+
+M3HoleDiam = 3.4;
+
+MountSize = 40;
+BodyWidth = 55;
+
+$fn = 100;
+
+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(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(){
+    xcenter = 49;
+    ycenter = MountSize/2 - 10;
+    holedistance = 10.6;
+
+    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);
+    translate([xcenter - holedistance/2, ycenter - holedistance/2, -5]) rotate([0,270,0]) #M3Hole(6);
+
+    // center hole
+    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) {
+    rotate([0, 90, 0])cylinder(h = thickness, d = M3HoleDiam);
+}
+
+module MainBody() {
+    // left mount plate
+    translate([0,0,-5]) cube([5, MountSize, MountSize+10]);
+
+    // bottom frame plate
+    translate([5, 0,-5 ]) cube([BodyWidth, MountSize, 5]);
+    // up frame plate
+    translate([5, 20,40 ]) cube([BodyWidth, 20, 3]);
+
+    // motorholder plate
+    translate([0, MountSize,-5 ]) cube([40+20, 5, 50]);
+
+    // rod holder
+    translate([BodyWidth, 20,-20 ]) cube([5, 25, 80]);
+}