Added getOpenSCADPath method to discover path to OpenSCAD executable amongst multiple options

OSCADSharp/OSCADSharp.ConsoleTests/Program.cs

@@ -14,10 +14,11 @@ namespace OSCADSharp.ConsoleTests
     {
         static void Main(string[] args)
         {
-            Variables.Global.Add("$fn", 100);
+            Variables.Global.Add("sphereRadius", 15);
+
+            var obj = new Sphere();
+            obj.Bind("Radius", Variables.Global["sphereRadius"]);
 
-            var obj = new Sphere(30);
-            
             var pos = obj.Position();
             var cyl1 = new Cylinder(1, 100, true).Translate(pos);
             var cyl2 = new Cylinder(1, 100, true).Rotate(0, 90, 0).Translate(pos);

OSCADSharp/OSCADSharp/Settings.cs

@@ -2,6 +2,7 @@
 using OSCADSharp.Scripting;
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -18,11 +19,28 @@ namespace OSCADSharp
         /// </summary>
         public static readonly string OSCADSharpHeader = String.Format("/*Code Generated using OSCADSharp on {0}. {1}{2}For more information, please visit https://github.com/Exolun/OSCADSharp */{3}", 
             DateTime.Now.ToString(), Environment.NewLine, Environment.NewLine, Environment.NewLine);
-        
+
         /// <summary>
         /// Path to the OpenSCAD executable for file invocation
         /// (Default value is set the default install directory on Windows)
         /// </summary>
-        public static string OpenSCADPath = @"C:\Program Files (x86)\OpenSCAD\openscad.exe";
+        public static string OpenSCADPath = getOpenSCADPath();
+
+        private static string getOpenSCADPath()
+        {
+            string[] possibleFilePaths = new string[] 
+            {
+                @"C:\Program Files (x86)\OpenSCAD\openscad.exe",
+                @"C:\Program Files\OpenSCAD\openscad.exe"
+            };
+
+            foreach (string path in possibleFilePaths)
+            {
+                if (File.Exists(path))
+                    return path;
+            }
+
+            return null;
+        }
     }
 }