diff --git a/web/app/sketcher/canvas.js b/web/app/sketcher/canvas.js
index eae4891d..a314caa3 100644
--- a/web/app/sketcher/canvas.js
+++ b/web/app/sketcher/canvas.js
@@ -31,8 +31,13 @@ TCAD.TWO.Styles = {
     lineWidth : 1,
     strokeStyle : "#bcffc1",
     fillStyle : "#00FF00"
-  }
+  },
 
+  BOUNDS : {
+    lineWidth : 2,
+    strokeStyle : "#fff5c3",
+    fillStyle : "#000000"
+  }
 };
 
 TCAD.TWO.utils = {};
diff --git a/web/app/sketcher/io.js b/web/app/sketcher/io.js
index 3e520a11..4ee24428 100644
--- a/web/app/sketcher/io.js
+++ b/web/app/sketcher/io.js
@@ -185,6 +185,58 @@ TCAD.IO.prototype._serializeSketch = function() {
   return sketch;
 };
 
+TCAD.IO.prototype.updateBoundary = function (boundary) {
+  if (this.boundaryLayer === undefined) {
+    this.boundaryLayer = new TCAD.TWO.Layer("bounds", TCAD.TWO.Styles.BOUNDS);
+    this.viewer.layers.push(this.boundaryLayer);
+  }
+  var edges = [];
+  var bbox = [Number.MAX_VALUE, Number.MAX_VALUE, - Number.MAX_VALUE, - Number.MAX_VALUE];
+  var flattenPolygon = function(points) {
+    var n = points.length;
+    for ( var p = n - 1, q = 0; q < n; p = q ++ ) {
+      edges.push([points[p].x, points[p].y, points[q].x, points[q].y]);
+      bbox[0] = Math.min(bbox[0], points[p].x);
+      bbox[1] = Math.min(bbox[1], points[p].y);
+      bbox[2] = Math.max(bbox[2], points[q].x);
+      bbox[3] = Math.max(bbox[3], points[q].y);
+    }
+  };
+
+  flattenPolygon(boundary.shell);
+  for (var i = 0; i < boundary.holes.length; ++i ) {
+    flattenPolygon(boundary.holes[i]);
+  }
+//  if (bbox[0] < Number.MAX_VALUE && bbox[1] < Number.MAX_VALUE && -bbox[2] < Number.MAX_VALUE && -bbox[3] < Number.MAX_VALUE) {
+//    this.viewer.showBounds(bbox[0], bbox[1], bbox[2], bbox[3])
+//  }
+
+  for (var l = 0; l < this.viewer.layers.length; ++l) {
+    var layer = this.viewer.layers[l];
+    for (var i = 0; i < layer.objects.length; ++i) {
+      var obj = layer.objects[i];
+      if (obj.edge !== undefined) {
+        var edge = edges[obj.edge];
+        if (edge !== undefined && edge != null) {
+          obj.a.x = edge[0];
+          obj.a.y = edge[1];
+          obj.b.x = edge[2];
+          obj.b.y = edge[3];
+          edges[obj.edge] = null;
+        }
+      }
+    }
+  }
+  for (var i = 0; i < edges.length; ++i ) {
+    var edge = edges[i];
+    if (edge != null) {
+      var seg = this.viewer.addSegment(edge[0], edge[1], edge[2], edge[3], this.boundaryLayer);
+      seg.accept(function(o){o.aux = true; return true;});
+      seg.edge = i;
+    }
+  }
+};
+
 TCAD.IO.prototype.parseConstr = function (c, index) {
   function find(id) {
     var p = index[id];
@@ -206,3 +258,12 @@ TCAD.IO.prototype.serializeConstr = function (c) {
   return c.serialize();
 };
 
+TCAD.IO.prototype.svgExport = function (c) {
+
+  //
+  //<circle cx="50" cy="50" r="40" stroke="green" stroke-width="4" fill="yellow" />
+  //</svg>
+  //
+  //var out = "<svg width="100" height="100">";
+
+};
diff --git a/web/app/sketcher/main2d.js b/web/app/sketcher/main2d.js
index 10b85f1d..48a9a287 100644
--- a/web/app/sketcher/main2d.js
+++ b/web/app/sketcher/main2d.js
@@ -1,11 +1,6 @@
-
-var magic_k = 500;
-
 TCAD.App2D = function() {
 
   this.viewer = new TCAD.TWO.Viewer(document.getElementById('viewer'));
-  this.boundaryLayer = new TCAD.TWO.Layer("default", TCAD.TWO.Styles.DEFAULT);
-  this.viewer.layers.push(this.boundaryLayer);
   var app = this;
 
   this.actions = {};
@@ -149,55 +144,6 @@ TCAD.App2D.prototype.loadFromLocalStorage = function() {
   this.viewer.repaint();
 };
 
-TCAD.App2D.prototype.updateBoundary = function (boundary) {
-
-  var edges = [];
-  var bbox = [Number.MAX_VALUE, Number.MAX_VALUE, - Number.MAX_VALUE, - Number.MAX_VALUE];
-  var flattenPolygon = function(points) {
-    var n = points.length;
-    for ( var p = n - 1, q = 0; q < n; p = q ++ ) {
-      edges.push([points[p].x, points[p].y, points[q].x, points[q].y]);
-      bbox[0] = Math.min(bbox[0], points[p].x);
-      bbox[1] = Math.min(bbox[1], points[p].y);
-      bbox[2] = Math.max(bbox[2], points[q].x);
-      bbox[3] = Math.max(bbox[3], points[q].y);
-    }
-  };
-
-  flattenPolygon(boundary.shell);
-  for (var i = 0; i < boundary.holes.length; ++i ) {
-    flattenPolygon(boundary.holes[i]);
-  }
-//  if (bbox[0] < Number.MAX_VALUE && bbox[1] < Number.MAX_VALUE && -bbox[2] < Number.MAX_VALUE && -bbox[3] < Number.MAX_VALUE) {
-//    this.viewer.showBounds(bbox[0], bbox[1], bbox[2], bbox[3])
-//  }
-
-  for (var l = 0; l < this.viewer.layers.length; ++l) {
-    var layer = this.viewer.layers[l];
-    for (var i = 0; i < layer.objects.length; ++i) {
-      var obj = layer.objects[i];
-      if (obj.edge !== undefined) {
-        var edge = edges[obj.edge];
-        if (edge !== undefined && edge != null) {
-          obj.a.x = edge[0];
-          obj.a.y = edge[1];
-          obj.b.x = edge[2];
-          obj.b.y = edge[3];
-          edges[obj.edge] = null;
-        }
-      }
-    }
-  }
-  for (var i = 0; i < edges.length; ++i ) {
-    var edge = edges[i];
-    if (edge != null) {
-      var seg = this.viewer.addSegment(edge[0], edge[1], edge[2], edge[3], this.boundaryLayer);
-      seg.accept(function(o){o.aux = true; return true;});
-      seg.edge = i;
-    }
-  }
-};
-
 TCAD.App2D.prototype.getSketchId = function() {
   var id = window.location.hash.substring(1);
   if (!id) {