diff --git a/src/app/launcher.cpp b/src/app/launcher.cpp
index a66be16..22319b3 100644
--- a/src/app/launcher.cpp
+++ b/src/app/launcher.cpp
@@ -48,19 +48,14 @@ Mesh readMesh(const std::string &fn)
     std::filesystem::path objPathFromInput = j["object"]["filename"];
     std::filesystem::path meshObjectPath = caseFolder / objPathFromInput;
 
-    std::cout << "Reading mesh groups from: " << meshObjectPath;
+    std::cout << "-- Reading mesh groups from: " << meshObjectPath;
     Mesh res = vtkIO::readMeshGroups(meshObjectPath);
     std::cout << "....... [OK]" << std::endl;
     
-    std::cout << "Reading grid from input file";
+    std::cout << "-- Reading grid from input file";
     res.grid = parseGridFromJSON(j["grid"]);
     std::cout << "....... [OK]" << std::endl;
 
-    std::cout << "Grid has " 
-        << res.grid[0].size()-1 << "x"
-        << res.grid[1].size()-1 << "x"
-        << res.grid[2].size()-1 << " cells" << std::endl;
-    
     return res;
 }
 
@@ -83,7 +78,7 @@ int launcher(int argc, const char* argv[])
 
     // Input
     std::string inputFilename = vm["input"].as<std::string>();
-    std::cout << "Input file is: " << inputFilename << std::endl;
+    std::cout << "-- Input file is: " << inputFilename << std::endl;
 
     Mesh mesh = readMesh(inputFilename);
     
@@ -97,7 +92,7 @@ int launcher(int argc, const char* argv[])
 
     std::filesystem::path outputFolder = std::filesystem::path(inputFilename).parent_path();
     auto basename = std::filesystem::path(inputFilename).stem().stem().string();
-    meshlib::vtkIO::exportMeshToVTP(outputFolder / (basename + ".tessellator.out.vtp"), resultMesh);
+    meshlib::vtkIO::exportMeshToVTP(outputFolder / (basename + ".tessellator.str.vtp"), resultMesh);
     meshlib::vtkIO::exportGridToVTP(outputFolder / (basename + ".tessellator.grid.vtp"), resultMesh.grid);
 
     return EXIT_SUCCESS;
diff --git a/src/meshers/MesherBase.cpp b/src/meshers/MesherBase.cpp
index bb92f78..77e704d 100644
--- a/src/meshers/MesherBase.cpp
+++ b/src/meshers/MesherBase.cpp
@@ -60,12 +60,15 @@ void MesherBase::logGridSize(const Grid& g)
     log(msg.str(), 2);
 }
 
-MesherBase::MesherBase(const Mesh& inputMesh) : originalGrid_{inputMesh.grid}{
-
+MesherBase::MesherBase(const Mesh& inputMesh) : originalGrid_{inputMesh.grid}
+{
+    log("Input mesh information.", 1);
     logGridSize(inputMesh.grid);
     logNumberOfTriangles(countMeshElementsIf(inputMesh, isTriangle));
 
+    log("Building enlarged grid.", 1);
     enlargedGrid_ = getEnlargedGridIncludingAllElements(inputMesh);
+    logGridSize(inputMesh.grid);
 }
 
 Mesh MesherBase::buildSurfaceMesh(const Mesh& inputMesh) {
diff --git a/src/meshers/StructuredMesher.cpp b/src/meshers/StructuredMesher.cpp
index cf6c895..0e0a7cb 100644
--- a/src/meshers/StructuredMesher.cpp
+++ b/src/meshers/StructuredMesher.cpp
@@ -18,12 +18,7 @@ using namespace core;
 using namespace meshTools;
 
 
-Mesh StructuredMesher::buildSurfaceMesh(const Mesh& inputMesh, const Mesh & volumeSurface)
-{
-    auto resultMesh = MesherBase::buildSurfaceMesh(inputMesh);
-    mergeMesh(resultMesh, volumeSurface);
-    return resultMesh;
-}
+
 
 StructuredMesher::StructuredMesher(const Mesh& inputMesh, int decimalPlacesInCollapser) :
     MesherBase(inputMesh),
@@ -34,8 +29,15 @@ StructuredMesher::StructuredMesher(const Mesh& inputMesh, int decimalPlacesInCol
 
     log("Processing surface mesh.");
     process(surfaceMesh_);
+    
+    log("Surface mesh built succesfully.", 1);
+}
 
-    log("Initial hull mesh built succesfully.");
+Mesh StructuredMesher::buildSurfaceMesh(const Mesh& inputMesh, const Mesh & volumeSurface)
+{
+    auto resultMesh = MesherBase::buildSurfaceMesh(inputMesh);
+    mergeMesh(resultMesh, volumeSurface);
+    return resultMesh;
 }
 
 void StructuredMesher::process(Mesh& mesh) const
@@ -65,28 +67,24 @@ void StructuredMesher::process(Mesh& mesh) const
     logNumberOfQuads(countMeshElementsIf(mesh, isQuad));
     logNumberOfLines(countMeshElementsIf(mesh, isLine));
 
-
+    log("Removing repeated elements.", 1);   
     Cleaner::removeRepeatedElements(mesh);
 
     logNumberOfQuads(countMeshElementsIf(mesh, isQuad));
     logNumberOfLines(countMeshElementsIf(mesh, isLine));
+
+    log("Recovering original grid size.", 1);
+    reduceGrid(mesh, originalGrid_);
+    
+    logNumberOfQuads(countMeshElementsIf(mesh, isQuad));
+    logNumberOfLines(countMeshElementsIf(mesh, isLine));
+
 }
 
 
 Mesh StructuredMesher::mesh() const
 {
-    log("Building primal mesh.");
-    Mesh resultMesh{ surfaceMesh_ };
-
-    logNumberOfQuads(countMeshElementsIf(resultMesh, isQuad));
-    logNumberOfLines(countMeshElementsIf(resultMesh, isLine));
-    logNumberOfNodes(countMeshElementsIf(resultMesh, isNode));
-
-    reduceGrid(resultMesh, originalGrid_);
-    Cleaner::cleanCoords(resultMesh);
-
-    log("Primal mesh built succesfully.", 1);
-    return resultMesh;
+    return surfaceMesh_;
 }
 
 }
\ No newline at end of file
diff --git a/test/app/launcherTest.cpp b/test/app/launcherTest.cpp
index 555c565..8d66893 100644
--- a/test/app/launcherTest.cpp
+++ b/test/app/launcherTest.cpp
@@ -18,8 +18,18 @@ TEST_F(LauncherTest, prints_help)
 TEST_F(LauncherTest, launches_alhambra_case)
 {
     int ac = 3;
-    const char* av[] = { NULL, "-i", "testData/cases/alhambra.tessellator.json"};
+    const char* av[] = { NULL, "-i", "testData/cases/alhambra/alhambra.tessellator.json"};
     int exitCode;
     EXPECT_NO_THROW(exitCode = meshlib::app::launcher(ac, av));
     EXPECT_EQ(exitCode, EXIT_SUCCESS);
 }
+
+
+TEST_F(LauncherTest, launches_sphere_case)
+{
+    int ac = 3;
+    const char* av[] = { NULL, "-i", "testData/cases/sphere/sphere.tessellator.json"};
+    int exitCode;
+    EXPECT_NO_THROW(exitCode = meshlib::app::launcher(ac, av));
+    EXPECT_EQ(exitCode, EXIT_SUCCESS);
+}
\ No newline at end of file
diff --git a/testData/cases/.gitignore b/testData/cases/.gitignore
index 1263f1c..1eb9df1 100644
--- a/testData/cases/.gitignore
+++ b/testData/cases/.gitignore
@@ -1,2 +1,2 @@
-*tessellator.out.vtp
+*tessellator.str.vtp
 *tessellator.grid.vtp
\ No newline at end of file
diff --git a/testData/cases/alhambra.tessellator.json b/testData/cases/alhambra/alhambra.tessellator.json
similarity index 100%
rename from testData/cases/alhambra.tessellator.json
rename to testData/cases/alhambra/alhambra.tessellator.json
diff --git a/testData/cases/alhambra.vtk b/testData/cases/alhambra/alhambra.vtk
similarity index 100%
rename from testData/cases/alhambra.vtk
rename to testData/cases/alhambra/alhambra.vtk
diff --git a/testData/cases/sphere/sphere.stl b/testData/cases/sphere/sphere.stl
new file mode 100644
index 0000000..29885a1
Binary files /dev/null and b/testData/cases/sphere/sphere.stl differ
diff --git a/testData/cases/sphere/sphere.tessellator.json b/testData/cases/sphere/sphere.tessellator.json
new file mode 100644
index 0000000..d27b387
--- /dev/null
+++ b/testData/cases/sphere/sphere.tessellator.json
@@ -0,0 +1,10 @@
+{
+    "grid": {
+        "numberOfCells": [100, 100, 100],
+        "boundingBox": [
+            [-100.0, -100.0, -100.0],
+            [ 100.0,  100.0,  100.0]
+        ]
+    },
+    "object": {"filename": "sphere.stl"}
+}
\ No newline at end of file