diff --git a/index.html b/index.html
index b0cb5181..d4cc28f7 100644
--- a/index.html
+++ b/index.html
@@ -96,6 +96,7 @@
   <script src="js/lib/jsColor_1_4_0/jscolor.js"></script>
 
   <!-- Application libraries-->
+  <script src="js/rendering/DrawingLoop.js"></script>
   <script src="js/model/Frame.js"></script>
   <script src="js/model/FrameSheet.js"></script>
   <script src="js/rendering/FrameRenderer.js"></script>
diff --git a/js/controller/AnimatedPreviewController.js b/js/controller/AnimatedPreviewController.js
index c8b7f51a..ee1e7f1c 100644
--- a/js/controller/AnimatedPreviewController.js
+++ b/js/controller/AnimatedPreviewController.js
@@ -3,10 +3,13 @@
 	ns.AnimatedPreviewController = function (framesheet, container, dpi) {
 		this.framesheet = framesheet;
 		this.container = container;
-		this.animIndex = 0;
+
+		this.elapsedTime = 0;
+		this.currentIndex = 0;
 
 		this.fps = parseInt($("#preview-fps")[0].value, 10);
-
+		this.deltaTime = 0;
+		this.previousTime = 0;
 		var renderingOptions = {
 			"dpi": dpi
 		};
@@ -14,40 +17,24 @@
 	};
 
 	ns.AnimatedPreviewController.prototype.init = function () {
-		this.initDom();
-
-		this.renderer.init(this.framesheet.getFrameByIndex(this.animIndex));
-
-		this.startAnimationTimer();
-	};
-
-	ns.AnimatedPreviewController.prototype.initDom = function () {
 		$("#preview-fps")[0].addEventListener('change', this.onFPSSliderChange.bind(this));
 	};
 
-   	ns.AnimatedPreviewController.prototype.startAnimationTimer = function () {
-   		this.stopAnimationTimer();
-		this.animationTimer = window.setTimeout(this.refreshAnimatedPreview.bind(this), 1000/this.fps);
-    };
-
-   	ns.AnimatedPreviewController.prototype.stopAnimationTimer = function () {
-   		if (this.animationTimer) {
-   			window.clearInterval(this.animationTimer);
-   			this.animationTimer = null;
-   		}
-    };
-
     ns.AnimatedPreviewController.prototype.onFPSSliderChange = function(evt) {
 		this.fps = parseInt($("#preview-fps")[0].value, 10);
 	};
 
-   	ns.AnimatedPreviewController.prototype.refreshAnimatedPreview = function () {
-   		if (!this.framesheet.hasFrameAtIndex(this.animIndex)) {
-   			this.animIndex = 0;
+   	ns.AnimatedPreviewController.prototype.render = function (delta) {
+   		this.elapsedTime += delta;
+   		var index = Math.floor(this.elapsedTime / (1000/this.fps));
+   		if (index != this.currentIndex) {
+   			this.currentIndex = index;
+   			if (!this.framesheet.hasFrameAtIndex(this.currentIndex)) {
+	   			this.currentIndex = 0;
+	   			this.elapsedTime = 0;
+	   		}
+	   		this.renderer.render(this.framesheet.getFrameByIndex(this.currentIndex));
    		}
-   		this.renderer.render(this.framesheet.getFrameByIndex(this.animIndex));
-		this.animIndex++;
-		this.startAnimationTimer();
     };
 
 })();
\ No newline at end of file
diff --git a/js/controller/DrawingController.js b/js/controller/DrawingController.js
index 97997a9c..a9a32e3e 100644
--- a/js/controller/DrawingController.js
+++ b/js/controller/DrawingController.js
@@ -210,8 +210,22 @@
 		this.overlayRenderer.render(this.overlayFrame);
 	};
 
+  ns.DrawingController.prototype.render = function () {
+    try {
+
+      this.renderFrame();
+      this.renderOverlay();
+    } catch (e) {
+      // TODO : temporary t/c for integration
+    }
+  };
+
 	ns.DrawingController.prototype.renderFrame = function () {
-		this.renderer.render(this.frame);
+    var serializedFrame = this.frame.serialize();
+    if (this.serializedFrame != serializedFrame) {
+      this.serializedFrame = serializedFrame
+		  this.renderer.render(this.frame);
+    }
 	};
 
 	ns.DrawingController.prototype.renderFramePixel = function (col, row) {
@@ -219,7 +233,11 @@
 	};
 
 	ns.DrawingController.prototype.renderOverlay = function () {
-		this.overlayRenderer.render(this.overlayFrame);
+    var serializedOverlay = this.overlayFrame.serialize();
+    if (this.serializedOverlay != serializedOverlay) {
+      this.serializedOverlay = serializedOverlay
+      this.renderer.render(this.overlayFrame);
+    }
 	};
 
 	ns.DrawingController.prototype.clearOverlay = function () {
diff --git a/js/controller/PreviewFilmController.js b/js/controller/PreviewFilmController.js
index 7db43364..5ae04e03 100644
--- a/js/controller/PreviewFilmController.js
+++ b/js/controller/PreviewFilmController.js
@@ -6,40 +6,41 @@
 		this.framesheet = framesheet;
 		this.container = container;
 
+		this.dirty = false;
+
 		$.subscribe(Events.REDRAW_PREVIEWFILM, $.proxy(function(evt) {
-			this.createPreviews()
+			this.dirty = true;
 		}, this));
 	};
 
 	ns.PreviewFilmController.prototype.init = function() {
-      var addFrameButton = $('#add-frame-button')[0];
-      addFrameButton.addEventListener('mousedown', this.addFrame.bind(this));
-      this.createPreviews();
-
-
+		var addFrameButton = $('#add-frame-button')[0];
+		addFrameButton.addEventListener('mousedown', this.addFrame.bind(this));
     };
 
     ns.PreviewFilmController.prototype.addFrame = function () {
  		this.framesheet.addEmptyFrame();
-        piskel.setActiveFrameAndRedraw(this.framesheet.getFrameCount() - 1);
+        piskel.setActiveFrame(this.framesheet.getFrameCount() - 1);
     };
 
-    ns.PreviewFilmController.prototype.createPreviews = function () {
-      // TODO(vincz): Full redraw on any drawing modification, optimize.
-      this.container.html("");
+    ns.PreviewFilmController.prototype.render = function () {
+		if (!this.dirty) return
+		// TODO(vincz): Full redraw on any drawing modification, optimize.
+		this.container.html("");
 
-      var frameCount = this.framesheet.getFrameCount();
-      
-      for (var i = 0, l = frameCount; i < l ; i++) {
-        this.container.append(this.createInterstitialTile_(i));
-        this.container.append(this.createPreviewTile_(i, this.framesheet));
-      }
-      this.container.append(this.createInterstitialTile_(frameCount));
+		var frameCount = this.framesheet.getFrameCount();
 
-      var needDragndropBehavior = !!(frameCount > 1);
-      if(needDragndropBehavior) {
-      	this.initDragndropBehavior_();
-      }
+		for (var i = 0, l = frameCount; i < l ; i++) {
+		this.container.append(this.createInterstitialTile_(i));
+		this.container.append(this.createPreviewTile_(i, this.framesheet));
+		}
+		this.container.append(this.createInterstitialTile_(frameCount));
+
+		var needDragndropBehavior = !!(frameCount > 1);
+		if(needDragndropBehavior) {
+			this.initDragndropBehavior_();
+		}
+		this.dirty = false;
     };
 
     /**
@@ -135,7 +136,7 @@
 		$('#preview-list').removeClass("show-interstitial-tiles");
 
 		// TODO(vincz): deprecate.
-		piskel.setActiveFrameAndRedraw(activeFrame);
+		piskel.setActiveFrame(activeFrame);
 
 		// TODO(vincz): move localstorage request to the model layer?
 		$.publish(Events.LOCALSTORAGE_REQUEST);
@@ -168,7 +169,7 @@
 		previewTileRoot.addEventListener('click', function(evt) {
 			// has not class tile-action:
 			if(!evt.target.classList.contains('tile-action')) {
-				piskel.setActiveFrameAndRedraw(tileNumber);
+				piskel.setActiveFrame(tileNumber);
 			}    
 		});
 
diff --git a/js/drawingtools/Move.js b/js/drawingtools/Move.js
index 2ff9ca73..23b0f58f 100644
--- a/js/drawingtools/Move.js
+++ b/js/drawingtools/Move.js
@@ -29,7 +29,6 @@
 		var colDiff = col - this.startCol, rowDiff = row - this.startRow;
 		if (colDiff != 0 || rowDiff != 0) {
 			this.shiftFrame(colDiff, rowDiff, drawer.frame, this.frameClone);
-			drawer.renderFrame();
 		}
 	};
 
diff --git a/js/drawingtools/PaintBucket.js b/js/drawingtools/PaintBucket.js
index a4523bd7..f3c3ccfe 100644
--- a/js/drawingtools/PaintBucket.js
+++ b/js/drawingtools/PaintBucket.js
@@ -21,10 +21,6 @@
 		var targetColor = drawer.frame.getPixel(col, row);
 		//this.recursiveFloodFill_(frame, col, row, targetColor, color);
 		this.queueLinearFloodFill_(drawer.frame, col, row, targetColor, color);
-		
-		// Draw in canvas:
-		// TODO: Remove that when we have the centralized redraw loop
-		drawer.renderFrame();
 	};
 
 	/**
diff --git a/js/drawingtools/Rectangle.js b/js/drawingtools/Rectangle.js
index 36967878..5f2fa7c7 100644
--- a/js/drawingtools/Rectangle.js
+++ b/js/drawingtools/Rectangle.js
@@ -25,7 +25,6 @@
 		
 		// Drawing the first point of the rectangle in the fake overlay canvas:
 		drawer.overlayFrame.setPixel(col, row, color);
-		drawer.renderOverlay();
 	};
 
 	ns.Rectangle.prototype.moveToolAt = function(col, row, color, drawer) {
@@ -44,13 +43,13 @@
 			}			
 			drawer.overlayFrame.setPixel(strokePoints[i].col, strokePoints[i].row, color);
 		}
-		drawer.renderOverlay();
 	};
 
 	/**
 	 * @override
 	 */
 	ns.Rectangle.prototype.releaseToolAt = function(col, row, color, drawer) {		
+		drawer.clearOverlay();
 		// If the stroke tool is released outside of the canvas, we cancel the stroke: 
 		if(drawer.frame.containsPixel(col, row)) {
 			var strokePoints = this.getRectanglePixels_(this.startCol, col, this.startRow, row);
@@ -59,12 +58,8 @@
 				drawer.frame.setPixel(strokePoints[i].col, strokePoints[i].row, color);
 			}
 			// The user released the tool to draw a line. We will compute the pixel coordinate, impact
-			// the model and draw them in the drawing canvas (not the fake overlay anymore)
-			// Draw in canvas:
-			// TODO: Remove that when we have the centralized redraw loop
-			drawer.renderFrame();		
+			// the model and draw them in the drawing canvas (not the fake overlay anymore)		
 		}
-		drawer.clearOverlay();
 	};
 
 	/**
diff --git a/js/drawingtools/SimplePen.js b/js/drawingtools/SimplePen.js
index 39a27363..86065d63 100644
--- a/js/drawingtools/SimplePen.js
+++ b/js/drawingtools/SimplePen.js
@@ -23,10 +23,6 @@
 			this.previousCol = col;
 			this.previousRow = row;
 		    drawer.frame.setPixel(col, row, color);
-
-		    // Draw on canvas:
-		    // TODO: Remove that when we have the centralized redraw loop
-		    drawer.renderFramePixel(col, row);
 		}
 	};
 
diff --git a/js/piskel.js b/js/piskel.js
index 9e8d11c6..2aee3ebb 100644
--- a/js/piskel.js
+++ b/js/piskel.js
@@ -36,6 +36,7 @@ $.namespace("pskl");
 
       piskel.initDPIs_();
 
+
       frameSheet = new pskl.model.FrameSheet(framePixelWidth, framePixelHeight);
       frameSheet.addEmptyFrame();
 
@@ -78,12 +79,21 @@ $.namespace("pskl");
       }
 
       $.subscribe('SET_ACTIVE_FRAME', function(evt, frameId) {
-        piskel.setActiveFrameAndRedraw(frameId);
+        piskel.setActiveFrame(frameId);
       });
 
       $.subscribe('FRAMESHEET_RESET', function(evt, frameId) {
         piskel.redraw();
       });
+      var drawingLoop = new pskl.rendering.DrawingLoop();
+      drawingLoop.addCallback(this.render, this);
+      drawingLoop.start();
+    },
+
+    render : function (delta) {
+      this.drawingController.render(delta);
+      this.animationController.render(delta);
+      this.previewsController.render(delta);
     },
 
     /**
@@ -138,7 +148,7 @@ $.namespace("pskl");
       
 
       $.subscribe(Events.REFRESH, function() {
-        piskel.setActiveFrameAndRedraw(0);
+        piskel.setActiveFrame(0);
       });
 
       pskl.ToolSelector.init();
@@ -164,13 +174,12 @@ $.namespace("pskl");
         piskel.setActiveFrame(0);  
         $.publish(Events.HIDE_NOTIFICATION);
         piskel.finishInit();
-        piskel.setActiveFrameAndRedraw(0);  
       };
 
       xhr.onerror = function () {
         $.publish(Events.HIDE_NOTIFICATION);
         piskel.finishInit();
-        piskel.setActiveFrameAndRedraw(0);
+        piskel.setActiveFrame(0);  
       };
 
       xhr.send();
@@ -181,18 +190,6 @@ $.namespace("pskl");
       this.drawingController.frame = this.getCurrentFrame(); 
     },
 
-    setActiveFrameAndRedraw: function(index) {
-      this.setActiveFrame(index);
-      this.redraw();
-    },
-
-    redraw : function () {
-      // Update drawing canvas:
-      this.drawingController.renderFrame();
-      // Update slideshow:
-      this.previewsController.createPreviews();
-    },
-
     getActiveFrameIndex: function() {
       if(-1 == activeFrameIndex) {
         throw "Bad active frame initialization."
@@ -203,7 +200,6 @@ $.namespace("pskl");
     getCurrentFrame : function () {
       return frameSheet.getFrameByIndex(activeFrameIndex);
     },
-
     // TODO(julz): Create package ?
     storeSheet : function (event) {
       // TODO Refactor using jquery ?
diff --git a/js/rendering/DrawingLoop.js b/js/rendering/DrawingLoop.js
new file mode 100644
index 00000000..9d13a239
--- /dev/null
+++ b/js/rendering/DrawingLoop.js
@@ -0,0 +1,58 @@
+(function () {
+	var ns = $.namespace("pskl.rendering");
+
+	ns.DrawingLoop = function () {
+		this.requestAnimationFrame = this.getRequestAnimationFrameShim_();
+		this.isRunning = false;
+		this.previousTime = 0;
+		this.callbacks = [];
+	};
+
+	ns.DrawingLoop.prototype.addCallback = function (callback, scope, args) {
+		var callbackObj = {
+			fn : callback, 
+			scope : scope, 
+			args : args
+		};
+		this.callbacks.push(callbackObj);
+		return callbackObj;
+	};
+
+	ns.DrawingLoop.prototype.removeCallback = function (callbackObj) {
+		var index = this.callbacks.indexOf(callbackObj);
+		if (index != -1) {
+			this.callbacks.splice(index, 1);
+		}
+	};
+
+	ns.DrawingLoop.prototype.start = function () {
+		this.isRunning = true;
+		this.loop_();
+	};
+
+	ns.DrawingLoop.prototype.loop_ = function () {
+		var currentTime = Date.now();
+		var delta = currentTime - this.previousTime;
+		this.executeCallbacks_(delta);
+		this.previousTime = currentTime;
+		this.requestAnimationFrame.call(window, this.loop_.bind(this));
+	};
+
+	ns.DrawingLoop.prototype.executeCallbacks_ = function (deltaTime) {
+		for (var i = 0 ; i < this.callbacks.length ; i++) {
+			var cb = this.callbacks[i];
+			cb.fn.call(cb.scope, deltaTime, cb.args);
+		}
+	};
+
+	ns.DrawingLoop.prototype.stop = function () {
+		this.isRunning = false;
+	};
+
+	ns.DrawingLoop.prototype.getRequestAnimationFrameShim_ = function () {
+		var requestAnimationFrame = window.requestAnimationFrame || window.mozRequestAnimationFrame ||  
+		window.webkitRequestAnimationFrame || window.msRequestAnimationFrame || function (callback) {window.setTimeout(callback, 1000/60)};
+
+		return requestAnimationFrame;
+	}
+})()
\ No newline at end of file
diff --git a/js/rendering/FrameRenderer.js b/js/rendering/FrameRenderer.js
index 14f6ae42..a2f97e44 100644
--- a/js/rendering/FrameRenderer.js
+++ b/js/rendering/FrameRenderer.js
@@ -1,7 +1,6 @@
 (function () {
 	var ns = $.namespace("pskl.rendering");
 
-	
 	ns.FrameRenderer = function (container, renderingOptions, className) {
 		
 		this.defaultRenderingOptions = {
@@ -169,4 +168,18 @@
 		}
 		return this.canvas;
 	};
+
+	/**
+	 * @private
+	 */
+	ns.FrameRenderer.prototype.createCanvasForFrame_ = function (frame) {
+		var canvas = document.createElement("canvas");
+		canvas.setAttribute("width", frame.getWidth() * this.dpi);
+		canvas.setAttribute("height", frame.getHeight() * this.dpi);
+		
+		canvas.classList.add("canvas");
+		if(this.className) canvas.classList.add(this.className);
+
+		return canvas;
+	};
 })();
\ No newline at end of file