===================================================================
--- original.js
+++ change.js
@@ -22,9 +22,29 @@
 				box.setAlpha(0.2);
 			}
 		}
 	};
-	self.setup();
+	//self.setup();
+	self.paint = function () {
+		if (self.boxGraphics) {
+			self.boxGraphics.width = boardSize;
+			self.boxGraphics.height = boardSize;
+		}
+		var startX = -self.width / 2;
+		var startY = -self.height / 2;
+		var boxSize = calculateTileSize();
+		var boxSpacing = boxSize * spacingRatio;
+		var offset = boxSize / 2 + boxSpacing;
+		for (var i = 0; i < gridSize; i++) {
+			for (var j = 0; j < gridSize; j++) {
+				var box = self.addChild(new Box());
+				box.x = offset + startX + i * (boxSize + boxSpacing);
+				box.y = offset + startY + j * (boxSize + boxSpacing);
+				box.setAlpha(0.2);
+			}
+		}
+	};
+	self.paint();
 });
 var Box = Container.expand(function () {
 	var self = Container.call(this);
 	var boxGraphics = self.attachAsset('box', {
@@ -46,13 +66,19 @@
 
 /**** 
 * Game Code
 ****/ 
-var gridSize = 10;
+var gridSize = 6;
 var spacingRatio = 0.2;
 var boardSize = 1600;
-var tileSize = boardSize / ((gridSize + 1) * spacingRatio) + gridSize;
-console.log(tileSize);
+function calculateTileSize() {
+	// Example of getting desired tileSize depending on gridSize (for different size grids)
+	// maintaining 1600px board size and 0.2 gutter between tiles.
+	var tileSize = boardSize / ((gridSize + 1) * spacingRatio + gridSize);
+	return tileSize;
+	console.log(tileSize);
+}
+var tileSize = calculateTileSize();
 var board = new Board();
 board.x = 1024;
 board.y = 2732 / 2;
 game.addChild(board);