diff --git a/src/octoprint/plugins/svgtogcode/static/css/mrbeam.css b/src/octoprint/plugins/svgtogcode/static/css/mrbeam.css
index 2bdfe20b..ec78e016 100644
--- a/src/octoprint/plugins/svgtogcode/static/css/mrbeam.css
+++ b/src/octoprint/plugins/svgtogcode/static/css/mrbeam.css
@@ -1160,6 +1160,7 @@ ul.dropdown-menu li a {
 #control_zaxis {
 	display:inline-block;
 	width: 80px;
+	margin: 1em auto 0;
 }
 #control_zaxis_focus {
 	display:inline-block;
@@ -1541,7 +1542,7 @@ td.settings_printerProfiles_profiles_action a.disabled {
 .nav-pills>li>a,
 select, 
 textarea, 
-input, 
+input, input[type="text"], input[type="password"], input[type="datetime"], input[type="datetime-local"], input[type="date"], input[type="month"], input[type="time"], input[type="week"], input[type="number"], input[type="email"], input[type="url"], input[type="search"], input[type="tel"], input[type="color"], 
 input.search-query,
 .uneditable-input,
 .input-append .add-on:last-child, 
diff --git a/src/octoprint/plugins/svgtogcode/static/css/svgtogcode.css b/src/octoprint/plugins/svgtogcode/static/css/svgtogcode.css
index a7a6e0a2..80134add 100644
--- a/src/octoprint/plugins/svgtogcode/static/css/svgtogcode.css
+++ b/src/octoprint/plugins/svgtogcode/static/css/svgtogcode.css
@@ -102,3 +102,28 @@ svg text {
 .overrideSlider span {
 	padding-left: .6em;
 }
+
+.repeatGcode .btn-group {
+	width: 145px;
+}
+.repeatGcode input, .repeatGcode button {
+	width: 33%;
+}
+
+.repeatGcode input {
+	margin-bottom:0;
+	padding-left: 0;
+	padding-right: 0;
+	text-align: center;
+}
+.repeatGcode>span {
+	padding-left: .6em;
+}
+
+.manual_position_input {
+	padding-top: 12px;
+}
+
+#manual_position.warning {
+	color: #DD0000;
+}
\ No newline at end of file
diff --git a/src/octoprint/plugins/svgtogcode/static/js/working_area.js b/src/octoprint/plugins/svgtogcode/static/js/working_area.js
index 41fe67c4..8c320b95 100644
--- a/src/octoprint/plugins/svgtogcode/static/js/working_area.js
+++ b/src/octoprint/plugins/svgtogcode/static/js/working_area.js
@@ -450,10 +450,16 @@ $(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];
diff --git a/src/octoprint/printer/standard.py b/src/octoprint/printer/standard.py
index 5fee8558..a10580dd 100644
--- a/src/octoprint/printer/standard.py
+++ b/src/octoprint/printer/standard.py
@@ -433,6 +433,22 @@ class Printer(PrinterInterface, comm.MachineComPrintCallback):
 				payload["origin"] = FileDestinations.SDCARD
 			eventManager().fire(Events.PRINT_FAILED, payload)
 
+	def increase_passes(self):
+		"""
+		 increase the number of passes by one.
+		"""
+		if self._comm is None:
+			return
+		self._comm.increasePasses()
+
+	def degrease_passes(self):
+		"""
+		 degrease the number of passes by one.
+		"""
+		if self._comm is None:
+			return
+		self._comm.degreasePasses()
+
 	def get_state_string(self):
 		"""
 		 Returns a human readable string corresponding to the current communication state.
diff --git a/src/octoprint/server/api/job.py b/src/octoprint/server/api/job.py
index b2d9b02e..65f4143a 100644
--- a/src/octoprint/server/api/job.py
+++ b/src/octoprint/server/api/job.py
@@ -23,7 +23,9 @@ def controlJob():
 		"start": [],
 		"restart": [],
 		"pause": [],
-		"cancel": []
+		"cancel": [],
+		"incpasses": [],
+		"degpasses": []
 	}
 
 	command, data, response = get_json_command_from_request(request, valid_commands)
@@ -48,6 +50,15 @@ def controlJob():
 		if not activePrintjob:
 			return make_response("Printer is neither printing nor paused, 'cancel' command cannot be performed", 409)
 		printer.cancel_print()
+	elif command == "incpasses":
+		if not activePrintjob:
+			return make_response("Printer is neither printing nor paused, 'incpasses' command cannot be performed", 409)
+		printer.increase_passes()
+	elif command == "degpasses":
+		if not activePrintjob:
+			return make_response("Printer is neither printing nor paused, 'degpasses' command cannot be performed", 409)
+		printer.degrease_passes()
+
 	return NO_CONTENT
 
 
diff --git a/src/octoprint/static/js/app/viewmodels/control.js b/src/octoprint/static/js/app/viewmodels/control.js
index cf3b18bf..9441c269 100644
--- a/src/octoprint/static/js/app/viewmodels/control.js
+++ b/src/octoprint/static/js/app/viewmodels/control.js
@@ -404,6 +404,11 @@ $(function() {
         self.onStartup = function () {
             self.requestData();
 			self._configureJogDistanceSlider();
+			$('#manual_position').keyup(function(e) {
+				if (e.which === 13){ // 13 == enter
+					self.manualPosition();
+				 }
+			});
         };
 
 		self.updateRotatorWidth = function() {
@@ -606,6 +611,24 @@ $(function() {
 		self.setCoordinateOrigin = function () {
 			self.sendCustomCommand({type: 'command', command: "G92 X0 Y0"});
 		};
+		
+		self.manualPosition = function(){
+					$('#manual_position').removeClass('warning');
+			var s = $('#manual_position').val();
+			var tmp = s.split(/[^0-9.,-\\+]+/);
+			if (tmp.length === 2) {
+				var x = parseFloat(tmp[0]);
+				var y = parseFloat(tmp[1]);
+				if(!isNaN(x) && !isNaN(y)) {
+					self.sendCustomCommand({type: 'command', command: "G0X"+x+"Y"+y});
+					$('#manual_position').val('');
+				} else {
+					$('#manual_position').addClass('warning');
+				}
+			} else {
+				$('#manual_position').addClass('warning');
+			}
+		};
 
 		self.jogDistanceInMM = ko.observable(undefined);
 
diff --git a/src/octoprint/static/js/app/viewmodels/printerstate.js b/src/octoprint/static/js/app/viewmodels/printerstate.js
index b6b8f6d5..21a406cc 100644
--- a/src/octoprint/static/js/app/viewmodels/printerstate.js
+++ b/src/octoprint/static/js/app/viewmodels/printerstate.js
@@ -38,6 +38,7 @@ $(function() {
 		self.feedrateOverride = ko.observable(100);
 		self.intensityOverride.extend({ rateLimit: 500 });
 		self.feedrateOverride.extend({ rateLimit: 500 });
+		self.numberOfPasses = ko.observable(1);
 
         self.TITLE_PRINT_BUTTON_PAUSED = gettext("Restarts the print job from the beginning");
         self.TITLE_PRINT_BUTTON_UNPAUSED = gettext("Starts the print job");
@@ -216,6 +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('');
@@ -285,14 +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",
@@ -307,7 +310,7 @@ $(function() {
                 }
             });
         };
-		
+
 		self._configureOverrideSliders = function() {
 			self.intensityOverrideSlider = $("#intensity_override_slider").slider({
 				step: 1,
@@ -318,7 +321,7 @@ $(function() {
 			}).on("slideStop", function(ev){
 				self.intensityOverride(ev.value);
 			});
-			
+
 			self.feedrateOverrideSlider = $("#feedrate_override_slider").slider({
 				step: 1,
 				min: 10,
@@ -330,17 +333,31 @@ $(function() {
 			});
 
 		};
-		
+
+		self.increasePasses = function(){
+			self.numberOfPasses(self.numberOfPasses()+1);
+            self._jobCommand("incpasses");
+		}
+		self.decreasePasses = function(){
+			var passes = Math.max(self.numberOfPasses()-1, 1);
+			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/templates/mrbeam_index.jinja2 b/src/octoprint/templates/mrbeam_index.jinja2
index 86b64cdf..3e6ec539 100644
--- a/src/octoprint/templates/mrbeam_index.jinja2
+++ b/src/octoprint/templates/mrbeam_index.jinja2
@@ -123,6 +123,10 @@
 												<div class="distance">
 													<input type="text" id="jogDistance" />
 												</div>
+												<div class="input-append manual_position_input">
+													<input id="manual_position" placeholder="x.xx y.yy" onsubmit="manualPosition"/>
+													<button class="" data-bind="click: manualPosition">Go</button>
+												</div>
 											</div>
 										</div>
 									</div>
@@ -168,6 +172,19 @@
 														<input id="feedrate_override_slider" type="text" data-bind="sliderValue: feedrateOverride">
 														<span data-bind="text:feedrateOverride()">100</span>% Feedrate
 													</div>
+													<div class="repeatGcode">
+														<div class="btn-group">
+															<button type="button" class="btn btn-default btn-number" data-bind="enable: numberOfPasses() > 1, click:decreasePasses">
+																<span class="icon-minus"></span>
+															</button>
+															<input type="text" class="input-mini text-right" value="1" min="1" max="10" data-bind="value:numberOfPasses()">
+															<button type="button" class="btn btn-default btn-number" data-bind="click:increasePasses">
+																<span class="icon-plus"></span>
+															</button>
+														</div>
+														<span>Passes</span>
+														
+													</div>
 
 												</div>
 												<!--                                {{ _('Print Time') }}: <strong data-bind="text: printTimeString"></strong><br>
diff --git a/src/octoprint/util/comm_acc2.py b/src/octoprint/util/comm_acc2.py
index 39a0318a..ad116e29 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
@@ -824,6 +835,12 @@ 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")
@@ -893,6 +910,14 @@ class MachineCom(object):
 			self._send_event.set()
 			eventManager().fire(Events.PRINT_PAUSED, payload)
 
+	def increasePasses(self):
+		self._passes += 1
+		self._log("increased Passes to %d" % self._passes)
+
+	def degreasePasses(self):
+		self._passes -= 1
+		self._log("degrease Passes to %d" % self._passes)
+
 	def getStateString(self):
 		if self._state == self.STATE_NONE:
 			return "Offline"
@@ -1155,6 +1180,12 @@ 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.
@@ -1244,6 +1275,7 @@ def serialList():
 	baselist = baselist \
 				+ glob.glob("/dev/ttyUSB*") \
 				+ glob.glob("/dev/ttyACM*") \
+				+ glob.glob("/dev/ttyAMA*") \
 				+ glob.glob("/dev/tty.usb*") \
 				+ glob.glob("/dev/cu.*") \
 				+ glob.glob("/dev/cuaU*") \