diff --git a/rudder.scad b/rudder.scad
new file mode 100644
index 0000000..d471d8f
--- /dev/null
+++ b/rudder.scad
@@ -0,0 +1,46 @@
+frontLength=10;
+backLength=40;
+height=120;
+tipWidth=1.5;
+cutHeight = 30;
+cutWidth = 9;
+cutLength = 20;
+armLength = 10;
+armWidth = 69;
+armHeight = 6;
+midWidth=9;  
+axle=2.6;  
+servoHole = 2.6;
+
+$fn=200;
+union(){
+    difference(){ //arm for servo control
+        difference(){
+           translate([-4.5,-(armWidth/2),height-armHeight]) cube([armLength,armWidth,armHeight]);
+           translate([0,-30,height-armHeight]) cylinder(h=armHeight+5,r=servoHole/2);
+           translate([0,30,height-armHeight]) cylinder(h=armHeight+5,r=servoHole/2); 
+        }
+        translate([0,0,-1])
+        cylinder(height+2,axle,axle); //main hole in centre
+    }
+    difference(){    //rudder with cut section
+            difference()
+            {
+                hull()
+                {
+                    translate([frontLength,0,0])
+                       cylinder(height,tipWidth/2,tipWidth/2);
+                 
+                    translate([-backLength,0,0]) 
+                        cylinder(height,tipWidth/2,tipWidth/2);
+
+                   cylinder(height,midWidth/2,midWidth/2);
+                 }
+
+                translate([0,0,-1])
+                cylinder(height+2,axle,axle);
+           }
+           translate([-4.5,-10,height-35]) cube(cutLength,cutWidth,cutHeight); //cut out section
+       
+    }
+}
\ No newline at end of file