diff --git a/mt_task.xml b/mt_task.xml
index 7ff4488..767656a 100644
--- a/mt_task.xml
+++ b/mt_task.xml
@@ -38,7 +38,7 @@
 		<tbody>
 			<tr>
 				<td><label>Drawing link:</label></td>
-				<td><a href="http://here.rubenvandeven.com:8888/draw?id={HIT_NR}">drawing page</a></td>
+				<td><a target="_blank" href="http://here.rubenvandeven.com:8888/draw?id={HIT_NR}">drawing page</a></td>
 			</tr>
 		</tbody>
 	</table>
diff --git a/sorteerhoed.py b/sorteerhoed.py
index f251125..ac6097e 100644
--- a/sorteerhoed.py
+++ b/sorteerhoed.py
@@ -16,6 +16,11 @@ if __name__ == '__main__':
         type=str,
         help='The yaml config file to load'
     )
+    argParser.add_argument(
+        '--no-plotter',
+        action='store_true',
+        help='Skip attempt to connect to plotter'
+    )
     argParser.add_argument(
         '--verbose',
         '-v',
@@ -49,5 +54,5 @@ if __name__ == '__main__':
     logger.info("Start server")
     
     command = CentralManagement(debug_mode=args.verbose > 0)
-    command.loadConfig(args.config)
+    command.loadConfig(args.config, args)
     command.start()
diff --git a/sorteerhoed/HITStore.py b/sorteerhoed/HITStore.py
index a0e5848..c3caf9d 100644
--- a/sorteerhoed/HITStore.py
+++ b/sorteerhoed/HITStore.py
@@ -66,6 +66,9 @@ class HIT(Base):
     
     def getSvgImageUrl(self):
         return f"scans/{self.id:06d}.svg"
+    
+    def getSvgImagePath(self):
+        return os.path.join('www', self.getSvgImageUrl())
 
     def getStatus(self):
         if self.scanned_at:
@@ -155,6 +158,9 @@ class Store:
             return int(2.5*60)
         return int(sum(durations) / len(durations))
     
+    def getEstimatedHitDuration(self):
+        return self.getAvgDurationOfPreviousNHits(5)
+    
     def getHITs(self, n = 100):
         return self.session.query(HIT).\
                 filter(HIT.submit_hit_at != None).\
diff --git a/sorteerhoed/central_management.py b/sorteerhoed/central_management.py
index a20f8c2..24f01a6 100644
--- a/sorteerhoed/central_management.py
+++ b/sorteerhoed/central_management.py
@@ -40,10 +40,13 @@ class CentralManagement():
         self.scanLock = threading.Lock()
 
         
-    def loadConfig(self, filename):
+    def loadConfig(self, filename, args):
         with open(filename, 'r') as fp:
             self.logger.debug('Load config from {}'.format(filename))
             self.config = yaml.safe_load(fp)
+            
+        if args.no_plotter:
+            self.config['dummy_plotter'] = True
         
         varDb = os.path.join(
 #             self.config['storage_dir'],
@@ -242,7 +245,7 @@ class CentralManagement():
         self.logger.info(f"Make HIT {self.currentHit.id}")
         
         question = open(self.config['amazon']['task_xml'], mode='r').read().replace("{HIT_NR}",str(self.currentHit.id))
-        estimatedHitDuration = self.store.getAvgDurationOfPreviousNHits(5)
+        estimatedHitDuration = self.store.getEstimatedHitDuration()
         
         fee = (self.config['hour_rate_aim']/3600.) * estimatedHitDuration
         self.currentHit.fee = fee
@@ -254,7 +257,7 @@ class CentralManagement():
             Reward = "{:.2f}".format(fee),
             MaxAssignments = 1,
             LifetimeInSeconds = self.config['hit_lifetime'],
-            AssignmentDurationInSeconds = self.config['hit_assignment_duration'],
+            AssignmentDurationInSeconds = estimatedHitDuration * 2, # give people twice as long as we expect them to take
             AutoApprovalDelayInSeconds = self.config['hit_autoapprove_delay'],
             Question = question,
         )
@@ -317,6 +320,7 @@ class CentralManagement():
     
     def reset(self) -> str:
         # TODO: for returns & abandons
+        self.plotter.park()
         scan = threading.Thread(target=self.cleanDrawing, name='reset')
         scan.start()
     
diff --git a/sorteerhoed/plotter.py b/sorteerhoed/plotter.py
index 9b555c0..c27c6f2 100644
--- a/sorteerhoed/plotter.py
+++ b/sorteerhoed/plotter.py
@@ -53,10 +53,9 @@ class Plotter:
                 self.ad.options.speed_pendown = 100
                 self.ad.options.model = 1 # 2 for A3, 1 for A4
                 
-                self.ad.moveto(0,0)
                 
-#                 plotterWidth = 25
-#                 plotterHeight = 21
+                self.park()
+#                 self.ad.moveto(0,0)
                 
             else:
                 self.ad = None
@@ -66,11 +65,15 @@ class Plotter:
         finally:
             self.logger.warning("Close Axidraw connection")
             if self.ad:
-                with self.scannerLock:
-                    self.ad.moveto(0,0)
-                    self.ad.disconnect()
+                try:
+                    with self.scannerLock:
+                        self.ad.moveto(0,0)
+                        self.ad.disconnect()
+                except Exception as e:
+                    self.logger.warning("Error on closing axidraw:")
+                    self.logger.exception(e)
             
-            self.logger.critical("Clear running Event")
+            self.logger.info("Clear running Event")
             # send shutdown signal (if not already set)
             self.isRunning.clear()
     
diff --git a/sorteerhoed/webserver.py b/sorteerhoed/webserver.py
index 214113a..8c32ba9 100644
--- a/sorteerhoed/webserver.py
+++ b/sorteerhoed/webserver.py
@@ -16,6 +16,7 @@ import httpagentparser
 import geoip2.database
 import queue
 import datetime
+import html
 
 
 logger = logging.getLogger("sorteerhoed").getChild("webserver")
@@ -62,6 +63,8 @@ class WebSocketHandler(tornado.websocket.WebSocketHandler):
         
         self.hit = self.store.currentHit
         
+        self.timeout = datetime.datetime.now() + datetime.timedelta(seconds=self.store.getEstimatedHitDuration() * 2)
+        
         if self.hit.submit_hit_at:
             raise Exception("Opening websocket for already submitted hit")
         
@@ -80,6 +83,12 @@ class WebSocketHandler(tornado.websocket.WebSocketHandler):
     # the client sent the message
     def on_message(self, message):
         logger.debug(f"recieve: {message}")
+        
+        if datetime.datetime.now() > self.timeout:
+            logger.critical("Close websocket after timeout (abandon?)")
+            self.close()
+            return
+        
         try:
             msg = json.loads(message)
             # TODO: sanitize input: min/max, limit strokes
@@ -100,6 +109,19 @@ class WebSocketHandler(tornado.websocket.WebSocketHandler):
                 if not id:
                     self.write_message(json.dumps('error'))
                     return
+                #store svg:
+                d = html.escape(msg['d'])
+                svg = f"""<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+                <svg 
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.0" viewBox="0 0 {self.config['scanner']['width']}0 {self.config['scanner']['height']}0" width="{self.config['scanner']['width']}mm"  height="{self.config['scanner']['height']}mm" preserveAspectRatio="none">
+                    <path d="{d}" style='stroke:gray;stroke-width:1mm;fill:none;' id="stroke" />
+                </svg>
+                """
+                
+                with open(self.store.currentHit.getSvgImagePath(), 'w') as fp:
+                    fp.write(svg)
                 
                 self.write_message(json.dumps({
                     'action': 'submitted',
diff --git a/www/index.html b/www/index.html
index bce56bd..c0ea839 100644
--- a/www/index.html
+++ b/www/index.html
@@ -13,6 +13,17 @@
             	width:100%;
             	height:100%;
             	font-family: sans-serif;
+            	z-index:2;
+            }
+            img{
+          		position:absolute;
+          		top:0;
+          		bottom:0;
+          		right:0;
+          		left:0;
+          		width:100%;
+          		height:100%;
+          		z-index:1;
             }
 
             path {
@@ -81,11 +92,10 @@
             	background:gray;
             }
             #interface{
-            	background:white;
+            	background:black;
             	height: 0;
 				  overflow: hidden;
 				  padding-top: calc({HEIGHT}/{WIDTH} * 100%);
-				  background: white;
 				  position: relative;
 				  margin: 0 auto;
 				background-size: 100% 100%;
@@ -117,17 +127,18 @@
         </style>
     </head>
     <body>
-        <div id='interface' style="background-image:url('{IMAGE_URL}')">
+        <div id='interface'">
 	        <div id='innerface'>
 	        	<div id='wrapper'>
 	            <!--  <img src="{IMAGE_URL}" id='sample'>-->
 	            <svg id="canvas" viewBox="0 0 {WIDTH}0 {HEIGHT}0" width="{WIDTH}mm"  height="{HEIGHT}mm" preserveAspectRatio="none">
 	                <path d="" id="stroke" />
 	            </svg>
+	            <img src='{IMAGE_URL}'>
 	            </div>
 	            <div id='info'>
 				    <ul>
-				    	<li>Drag the mouse to trace the <strong>clearest lines</strong> drawing above</li>
+				    	<li>Drag the mouse to trace the lines drawing above</li>
 				    	<li>Follow the lines as precise as possible</li>
 				    	<li>Press submit when you're done.</li>
 				    	<li>You'll receive a submission token, to fill in at Mechanical Turk</li>
@@ -304,7 +315,8 @@
             	}
             	
             	socket.send(JSON.stringify({
-                    'action': 'submit'
+                    'action': 'submit',
+                    'd': strokeEl.getAttribute('d')
                 }));
             	
             	document.body.removeEventListener('mousemove', draw);