diff --git a/Slider_front.scad b/Slider_front.scad
index 53f7b6a..b12229f 100644
--- a/Slider_front.scad
+++ b/Slider_front.scad
@@ -3,21 +3,29 @@ use <helpers/Holes.scad>
 use <helpers/Helpers.scad>
 include <Slider_dims.scad>
 
+use </home/lukas/Downloads/extrudercooler.scad>
+
 roundedExtruderHolder=true;
 
 Slider_front();
+
+//translate([27,-35,-9]) extrudercooler();
+
 module Slider_front() {
     difference() {
         union() {
             // use same body as in back slider
             translate([0,-10,0]) body();
             Extruderholder();
+            
+            translate([10,0,14.5]) rotate([0,0,-90])          translate([7,0,0]) scale([1,1.5,1.5]) M3Nut(4);
+            translate([10+45,0,14.5]) rotate([0,0,-90])          translate([7,0,0]) scale([1,1.5,1.5]) M3Nut(4);
         }
         
 
         dist=(heightMain-holeDist)/2;
-        translate([0,0,dist])  bearingHalfHole();
-        translate([0,0,dist+holeDist]) bearingHalfHole();
+        translate([0,0,dist])  bearingHalfHoles();
+        translate([0,0,dist+holeDist]) bearingHalfHoles();
 
         zcube();
 
@@ -29,6 +37,15 @@ module Slider_front() {
 
         // cut extruder holes
         Extruderholes();
+        
+        #translate([10,0,14.5]) rotate([0,0,-90])  union() {
+            M3Hole(15);
+            translate([6,0,0]) M3Nut(4);
+        };
+        #translate([10+45,0,14.5]) rotate([0,0,-90])  union() {
+            M3Hole(15);
+            translate([1,0,0]) M3Nut(7);
+        };
     }
 }
 
@@ -104,13 +121,13 @@ module Extruderholes() {
     holeDist=14;
 
     translate([width/2 + holeDist/2, 0, extruder_platform_x + extruder_platform_height/2]) {
-        rotate([0,0,-90]) #M3Hole(15);
+        rotate([0,0,-90]) #M3Hole(150);
         rotate([30,0,-90]) #M3Nut(8);
     }
 
 
     translate([width/2 - holeDist/2, 0, extruder_platform_x + extruder_platform_height/2]) {
-        rotate([0,0,-90]) #M3Hole(15);
+        rotate([0,0,-90]) #M3Hole(150);
         rotate([30,0,-90]) #M3Nut(8);
     }
 }
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