diff --git a/Printed-Parts/stl/Rambo-Hinges.scad b/Printed-Parts/stl/Rambo-Hinges.scad
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+++ b/Printed-Parts/stl/Rambo-Hinges.scad
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+// PRUSA iteration4
+// RAMBo cover hinges
+// GNU GPL v3
+// Josef Průša <iam@josefprusa.cz> and contributors
+// http://www.reprap.org/wiki/Prusa_Mendel
+// http://prusamendel.org
+
+module upper_hinge()
+{
+difference()    
+    {
+        union()
+        {
+             // body
+             cylinder( h = 26, r = 2.4, $fn=30); 
+             cylinder( h = 21, r = 4.5, $fn=30); 
+             translate([0,0,26]) cylinder( h = 2, r1 = 2.4, r2 = 1.8, $fn=30); 
+             translate( [ -5 , -11 , 0 ] ) cube( [ 7 , 14 , 21 ] );  
+        }
+        // M3 screw hole
+        translate( [ -12.5 , -0 , 17 ] ) rotate( [0,90,0] ) cylinder( h = 20, r = 1.75, $fn=30);  
+        translate( [ -1.5 , -0 , 17 ] ) rotate( [0,90,0] ) cylinder( h = 9, r = 3, $fn=30); 
+        // angle cut
+        translate([-3.9,-20,-1]) rotate([0,0,50]) cube([25,5,26]);   
+    }
+}
+
+module lower_hinge()
+{
+difference()
+    {   
+        union()
+        { 
+            // body   
+            translate( [ 0 , 6 , 0 ] ) cylinder( h = 15, r = 2.4, $fn=30); 
+            translate( [ 0 , 6 , 0 ] ) cylinder( h = 10, r = 4.5, $fn=30);  
+            translate( [ 0 , 6 , 15 ] ) cylinder( h = 2, r1 = 2.4, r2=1.8, $fn=30);  
+            translate( [ -5 , 3 , 0 ] ) cube( [ 7 , 13 , 10 ] ); 
+        }
+        // M3 screw
+        translate( [ -0.5 , 6 , 4 ] ) rotate( [0,90,0] ) cylinder( h = 20, r = 3, $fn=30); 
+        translate( [ -12 , 6 , 4 ] ) rotate( [0,90,0] ) cylinder( h = 20, r = 1.75, $fn=30); 
+        // angle cut
+        translate([-5.8,20,-1]) rotate([0,0,-50]) cube([20,5,20]);   
+    }
+}
+
+
+translate([0,-4,0]) upper_hinge();
+lower_hinge();
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