diff -r e4afd8643576 -r 239d372644a0 client/js/renderer/shapebuilder.js
--- a/client/js/renderer/shapebuilder.js	Tue Sep 09 17:49:31 2014 +0200
+++ b/client/js/renderer/shapebuilder.js	Wed Sep 10 16:12:07 2014 +0200
@@ -57,15 +57,32 @@
                 return new paper.Path.Star([0, 0], 8, radius*1, radius*0.7);
             }
         },
+        "svg": function(path){
+            return {
+                getShape: function() {
+                    return new paper.Path(path);
+                },
+                getImageShape: function(center, radius) {
+                    // No calcul for the moment 
+                    return new paper.Path();
+                }
+            }
+        }
     };
     
     var ShapeBuilder = function (shape){
+        if(typeof shape==="undefined"){
+            shape = "circle";
+        }
+        if(shape.substr(0,4)=="svg:"){
+            return builders["svg"](shape.substr(4));
+        }
         if(!(shape in builders)){
             shape = "circle";
         }
         return builders[shape];
     };
-
+    
     return ShapeBuilder;
 
 });