diff --git a/data/river.stl b/data/river.stl
new file mode 100644
index 0000000000000000000000000000000000000000..5bf5b74bf4596efcf3fd9c784124fef503010930
Binary files /dev/null and b/data/river.stl differ
diff --git a/data/terrain.stl b/data/terrain.stl
new file mode 100644
index 0000000000000000000000000000000000000000..a2967384f65ac398288f70386b2320852aac64da
Binary files /dev/null and b/data/terrain.stl differ
diff --git a/js/menus/ImportMenuView.js b/js/menus/ImportMenuView.js
index 33cd6fc03ce31061ab216254f6cfe58c7fb1d6a7..b16f42579d8edad0edde308a8f9e26774a557f07 100644
--- a/js/menus/ImportMenuView.js
+++ b/js/menus/ImportMenuView.js
@@ -34,7 +34,7 @@ ImportMenuView = Backbone.View.extend({
 
     _buildWall: function(e){
         e.preventDefault();
-        this.lattice.addCellsInRange({min:{x:-50,y:-2,z:0}, max:{x:50,y:2,z:15}});
+        this.lattice.addCellsInRange({min:{x:-100,y:-1,z:0}, max:{x:100,y:2,z:18}});
     },
 
     _uploadMesh: function(e){//select a mesh to upload
@@ -128,7 +128,8 @@ ImportMenuView = Backbone.View.extend({
             <ul role="menu" class="dropdown-menu">\
               <!--<li><a class="selectMesh fillGeo" data-file="Airbus_A300-600.stl" href="#">Plane</a></li>-->\
               <li><a id="selectWall" href="#">Wall</a></li>\
-              <li><a class="selectMesh cutTerrain" data-file="Airbus_A300-600.stl" href="#">Landscape</a></li>\
+              <li><a class="selectMesh cutTerrain" data-file="river.stl" href="#">Landscape 1</a></li>\
+              \<li><a class="selectMesh cutTerrain" data-file="terrain.stl" href="#">Landscape 2</a></li>\
             </ul>\
         </div><!-- /btn-group -->')
 
diff --git a/js/models/FillGeometry.js b/js/models/FillGeometry.js
index 8980a1a3835f3e0cce376ebbf1735e3792bc7cb9..bc7cd763752500620370097ad3648fc8ab5c0f76 100644
--- a/js/models/FillGeometry.js
+++ b/js/models/FillGeometry.js
@@ -6,7 +6,7 @@
 FillGeometry = Backbone.Model.extend({
 
     defaults: {
-        material: new THREE.MeshBasicMaterial(
+        material: new THREE.MeshLambertMaterial(
             {color:0xf25536,
                 shading: THREE.FlatShading,
                 transparent:true,
@@ -29,6 +29,12 @@ FillGeometry = Backbone.Model.extend({
 
     buildNewMesh:function(){
         this.remove();
+
+        //center geometry in x and y
+        var geometry = this.get("geometry");
+        geometry.computeBoundingBox();
+        geometry.applyMatrix(new THREE.Matrix4().makeTranslation(-geometry.boundingBox.max.x/2,-geometry.boundingBox.max.y/2,0));
+
         this.set({orientation:this.defaults.orientation, scale:this.defaults.scale}, {silent:true});//restore defaults
         var mesh = new THREE.Mesh(this.get("geometry"), this.get("material"));
         this.makeBoundingBoxHelper(mesh);