diff --git a/src/octoprint/plugins/svgtogcode/static/js/matrix_oven.js b/src/octoprint/plugins/svgtogcode/static/js/matrix_oven.js
index dce7235a..478c638e 100644
--- a/src/octoprint/plugins/svgtogcode/static/js/matrix_oven.js
+++ b/src/octoprint/plugins/svgtogcode/static/js/matrix_oven.js
@@ -70,12 +70,14 @@ Snap.plugin(function (Snap, Element, Paper, global) {
 
 			// Validity checks from http://www.w3.org/TR/SVG/shapes.html#RectElement:
 			// If 'x' and 'y' are not specified, then set both to 0. // CorelDraw is creating that sometimes
-			if (!isFinite(x))
+			if (!isFinite(x)) {
 				console.log('No attribute "x" in image tag. Assuming 0.')
 				x = 0;
-			if (!isFinite(y))
+			}
+			if (!isFinite(y)) {
 				console.log('No attribute "y" in image tag. Assuming 0.')
 				y = 0;
+			}
 			var transform = elem.transform();
 			var matrix = transform['totalMatrix'];
 			var transformedX = matrix.x(x, y);
diff --git a/src/octoprint/plugins/svgtogcode/static/js/working_area.js b/src/octoprint/plugins/svgtogcode/static/js/working_area.js
index 24f4d498..6fc20b1c 100644
--- a/src/octoprint/plugins/svgtogcode/static/js/working_area.js
+++ b/src/octoprint/plugins/svgtogcode/static/js/working_area.js
@@ -345,7 +345,7 @@ $(function(){
 				dx = -svgBB.x + 0.01;
 				outside = true;
 			} else if(svgBB.x2 > waBB.x2){
-				dx = -svgBB.x2 + waBB.x2 - 0.01;
+				dx = -svgBB.x + 0.01;
 				outside = true;
 			}
 			if(svgBB.y < waBB.y){
@@ -390,7 +390,7 @@ $(function(){
             });
 
 		};
-		
+
 		self.placeIMG = function (file) {
 			var url = self._getIMGserveUrl(file);
 			var img = new Image();
@@ -426,10 +426,16 @@ $(function(){
 		};
 
 		self.getUsefulDimensions = function(wpx, hpx){
-			var maxWidthMM = wpx * 0.25; // TODO parametrize
-			var aspectRatio = wpx / hpx;
-			var destWidthMM = Math.min(self.workingAreaWidthMM() - 2, maxWidthMM);
-			var destHeightMM = destWidthMM / aspectRatio;
+			var maxWidthMM   = wpx * 0.25; // TODO parametrize
+			var maxHeightMM  = hpx * 0.25; // TODO parametrize
+			var aspectRatio  = wpx / hpx;
+			var destWidthMM  = Math.min(self.workingAreaWidthMM() - 2, maxWidthMM);
+			var destHeightMM = Math.min(self.workingAreaHeightMM() - 2, maxHeightMM);
+			if ((destWidthMM / aspectRatio) > destHeightMM) {
+				destWidthMM = destHeightMM * aspectRatio;
+			} else {
+				destHeightMM = destWidthMM / aspectRatio;
+			}
 			var destWidthPT = self.mm2svgUnits(destWidthMM);
 			var destHeightPT = self.mm2svgUnits(destHeightMM);
 			return [destWidthPT, destHeightPT];
@@ -632,13 +638,13 @@ $(function(){
 
 			var userContent = snap.select("#userContent").clone();
 			compSvg.append(userContent);
-			
+
 			self.renderInfill(compSvg, fillAreas, wMM, hMM, 10, function(svgWithRenderedInfill){
 				callback( self._wrapInSvgAndScale(svgWithRenderedInfill));
 				$('#compSvg').remove();
 			});
 		};
-		
+
 		self._wrapInSvgAndScale = function(content){
 			var svgStr = content.innerSVG();
 			if(svgStr !== ''){
@@ -721,7 +727,7 @@ $(function(){
 		self.clear_gcode = function(){
 			snap.select('#gCodePreview').clear();
 		};
-		
+
 		self.onStartup = function(){
 			self.state.workingArea = self;
 			self.files.workingArea = self;
@@ -754,11 +760,16 @@ $(function(){
 				}
 			});
 		};
-		
+
 		self._embedAllImages = function(svg, callback){
-			
+
 			var allImages = svg.selectAll('image');
-			var linkedImages = allImages.items.filter(function(i){ return !i.attr('href').startsWith('data:') });
+			var linkedImages = allImages.items.filter(function(i){
+				if(i.attr('xlink:href') != null) {
+					return !i.attr('xlink:href').startsWith('data:');
+				} else if(i.attr('href') != null) {
+					return !i.attr('href').startsWith('data:');
+				}});
 			if(linkedImages.length > 0){
 				var callbackCounter = linkedImages.length;
 				for (var i = 0; i < linkedImages.length; i++) {
@@ -790,7 +801,7 @@ $(function(){
 				var fillings = userContent.removeUnfilled(fillAreas);
 				for (var i = 0; i < fillings.length; i++) {
 					var item = fillings[i];
-					
+
 					if (item.type === 'image') {
 						// remove filter effects on images for proper rendering
 						var style = item.attr('style');
diff --git a/src/octoprint/static/js/app/viewmodels/printerstate.js b/src/octoprint/static/js/app/viewmodels/printerstate.js
index 85e27832..21a406cc 100644
--- a/src/octoprint/static/js/app/viewmodels/printerstate.js
+++ b/src/octoprint/static/js/app/viewmodels/printerstate.js
@@ -217,6 +217,8 @@ $(function() {
 			$("#confirmation_dialog .confirmation_dialog_acknowledge").click(
 					function (e) {
 						if (typeof callback === 'function') {
+                            self.resetOverrideSlider();
+                            self.numberOfPasses(1);
 							callback(e);
 							$("#confirmation_dialog").modal("hide");
 							$("#confirmation_dialog .confirmation_dialog_message").html('');
@@ -286,8 +288,14 @@ $(function() {
 		self.onEventRealTimeState = function(payload){
 			self.currentPos({x: payload.wx, y: payload.wy});
 		};
-		
-		
+
+		self.intensityOverride.subscribe(function(factor){
+			self._overrideCommand("/intensity "+factor);
+		});
+		self.feedrateOverride.subscribe(function(factor){
+			self._overrideCommand("/feedrate "+factor);
+		});
+
 		self._overrideCommand = function(command, callback) {
             $.ajax({
                 url: API_BASEURL + "printer/command",
@@ -302,34 +310,30 @@ $(function() {
                 }
             });
         };
-		
+
 		self._configureOverrideSliders = function() {
 			self.intensityOverrideSlider = $("#intensity_override_slider").slider({
 				step: 1,
 				min: 10,
 				max: 200,
 				value: 100,
-				tooltip: 'hide'
-			}).on("slide", function(ev){
-				self.intensityOverride(ev.value);
+//				tooltip: 'hide'
 			}).on("slideStop", function(ev){
-				self._overrideCommand("/intensity "+self.intensityOverride());
+				self.intensityOverride(ev.value);
 			});
-			
+
 			self.feedrateOverrideSlider = $("#feedrate_override_slider").slider({
 				step: 1,
 				min: 10,
 				max: 200,
 				value: 100,
-				tooltip: 'hide'
-			}).on("slide", function(ev){
-				self.feedrateOverride(ev.value);
+//				tooltip: 'hide'
 			}).on("slideStop", function(ev){
-				self._overrideCommand("/feedrate "+self.feedrateOverride());
+				self.feedrateOverride(ev.value);
 			});
 
 		};
-		
+
 		self.increasePasses = function(){
 			self.numberOfPasses(self.numberOfPasses()+1);
             self._jobCommand("incpasses");
@@ -339,17 +343,21 @@ $(function() {
 			self.numberOfPasses(passes);
             self._jobCommand("degpasses");
 		}
-		
+
 		self.onEventPrintDone = function(){
-			self.feedrateOverrideSlider.slider('setValue', 100);
+			self.resetOverrideSlider();
+		};
+
+		self.onStartup = function() {
+			self._configureOverrideSliders();
+		};
+
+        self.resetOverrideSlider = function() {
+            self.feedrateOverrideSlider.slider('setValue', 100);
 			self.intensityOverrideSlider.slider('setValue', 100);
 			self.intensityOverride(100);
 			self.feedrateOverride(100);
 		};
-		
-		self.onStartup = function() {
-			self._configureOverrideSliders();
-		};
     }
 
     OCTOPRINT_VIEWMODELS.push([
diff --git a/src/octoprint/util/comm_acc2.py b/src/octoprint/util/comm_acc2.py
index ee16a541..bb1556a3 100644
--- a/src/octoprint/util/comm_acc2.py
+++ b/src/octoprint/util/comm_acc2.py
@@ -84,6 +84,8 @@ class MachineCom(object):
 		self._actual_intensity = None
 		self._feedrate_dict = {}
 		self._intensity_dict = {}
+		self._passes = 1
+		self._finished_passes = 0
 
 		# regular expressions
 		self._regex_command = re.compile("^\s*\$?([GM]\d+|[TH])")
@@ -164,8 +166,15 @@ class MachineCom(object):
 					if cmd is not None:
 						self.sendCommand(cmd)
 						self._callback.on_comm_progress()
-					elif len(self._acc_line_buffer) == 0:
-						self._set_print_finished()
+					else:
+						if self._finished_passes >= self._passes:
+							if len(self._acc_line_buffer) == 0:
+								self._set_print_finished()
+						self._currentFile.resetToBeginning()
+						cmd = self._getNext()
+						if cmd is not None:
+							self.sendCommand(cmd)
+							self._callback.on_comm_progress()
 
 				self._sendCommand()
 				self._send_event.wait(1)
@@ -311,7 +320,9 @@ class MachineCom(object):
 		if self._finished_currentFile is False:
 			line = self._currentFile.getNext()
 			if line is None:
-				self._finished_currentFile = True
+				self._finished_passes += 1
+				if self._finished_passes >= self._passes:
+					self._finished_currentFile = True
 			return line
 		else:
 			return None
@@ -830,6 +841,12 @@ class MachineCom(object):
 		if self._currentFile is None:
 			raise ValueError("No file selected for printing")
 
+		# reset feedrate and intesity factor in case they where changed in a previous run
+		self._feedrate_factor  = 1
+		self._intensity_factor = 1
+		self._passes = 1
+		self._finished_passes = 0
+
 		try:
 			# ensure fan is on whatever gcode follows.
 			self.sendCommand("M08")
@@ -900,10 +917,12 @@ class MachineCom(object):
 			eventManager().fire(Events.PRINT_PAUSED, payload)
 
 	def increasePasses(self):
-		self._log("increase Passes")
+		self._passes += 1
+		self._log("increased Passes to %d" % self._passes)
 
 	def degreasePasses(self):
-		self._log("degrease Passes")
+		self._passes -= 1
+		self._log("degrease Passes to %d" % self._passes)
 
 	def getStateString(self):
 		if self._state == self.STATE_NONE:
@@ -1167,6 +1186,12 @@ class PrintingGcodeFileInformation(PrintingFileInformation):
 				pass
 		self._handle = None
 
+	def resetToBeginning(self):
+		"""
+		resets the file handle so you can read from the beginning again.
+		"""
+		self._handle = open(self._filename, "r")
+
 	def getNext(self):
 		"""
 		Retrieves the next line for printing.