diff --git a/applications/utilities/mesh/generation/extrude/extrudeMesh/extrudeMeshDict b/applications/utilities/mesh/generation/extrude/extrudeMesh/extrudeMeshDict
index ecbc647797..a355ede3da 100644
--- a/applications/utilities/mesh/generation/extrude/extrudeMesh/extrudeMeshDict
+++ b/applications/utilities/mesh/generation/extrude/extrudeMesh/extrudeMeshDict
@@ -47,6 +47,9 @@ extrudeModel        wedge;
 //- Extrudes into sphere around (0 0 0)
 //extrudeModel        linearRadial;
 
+//- Extrudes into sphere around (0 0 0) with specified radii
+//extrudeModel        radial;
+
 //- Extrudes into sphere with grading according to pressure (atmospherics)
 //extrudeModel        sigmaRadial;
 
@@ -74,9 +77,18 @@ linearDirectionCoeffs
 
 linearRadialCoeffs
 {
-     R              0.1;
+    R               0.1;
+    // Optional inner radius
+    Rsurface        0.01;
 }
 
+radialCoeffs
+{
+    // Radii specified through interpolation table
+    R               table ((0 0.01)(3 0.03)(10 0.1));
+}
+
+
 sigmaRadialCoeffs
 {
     RTbyg           1;
diff --git a/src/mesh/extrudeModel/Make/files b/src/mesh/extrudeModel/Make/files
index 12b60a0f7d..600f591693 100644
--- a/src/mesh/extrudeModel/Make/files
+++ b/src/mesh/extrudeModel/Make/files
@@ -3,6 +3,7 @@ extrudeModel/extrudeModelNew.C
 linearNormal/linearNormal.C
 linearDirection/linearDirection.C
 linearRadial/linearRadial.C
+radial/radial.C
 sigmaRadial/sigmaRadial.C
 wedge/wedge.C
 
diff --git a/src/mesh/extrudeModel/radial/radial.C b/src/mesh/extrudeModel/radial/radial.C
new file mode 100644
index 0000000000..c2aae13fed
--- /dev/null
+++ b/src/mesh/extrudeModel/radial/radial.C
@@ -0,0 +1,84 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 2013 OpenFOAM Foundation
+     \\/     M anipulation  |
+-------------------------------------------------------------------------------
+License
+    This file is part of OpenFOAM.
+
+    OpenFOAM is free software: you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
+
+\*---------------------------------------------------------------------------*/
+
+#include "radial.H"
+#include "addToRunTimeSelectionTable.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+namespace Foam
+{
+namespace extrudeModels
+{
+
+// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
+
+defineTypeNameAndDebug(radial, 0);
+
+addToRunTimeSelectionTable(extrudeModel, radial, dictionary);
+
+
+// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
+
+radial::radial(const dictionary& dict)
+:
+    extrudeModel(typeName, dict),
+    R_(DataEntry<scalar>::New("R", coeffDict_))
+{}
+
+
+// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
+
+radial::~radial()
+{}
+
+
+// * * * * * * * * * * * * * * * * Operators * * * * * * * * * * * * * * * * //
+
+point radial::operator()
+(
+    const point& surfacePoint,
+    const vector& surfaceNormal,
+    const label layer
+) const
+{
+    // radius of the surface
+    scalar rs = mag(surfacePoint);
+    vector rsHat = surfacePoint/rs;
+
+    scalar r = R_->value(layer);
+
+Pout<< "** for layer " << layer << " r:" << r << endl;
+
+    return r*rsHat;
+}
+
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+} // End namespace extrudeModels
+} // End namespace Foam
+
+// ************************************************************************* //
diff --git a/src/mesh/extrudeModel/radial/radial.H b/src/mesh/extrudeModel/radial/radial.H
new file mode 100644
index 0000000000..dae9546f3b
--- /dev/null
+++ b/src/mesh/extrudeModel/radial/radial.H
@@ -0,0 +1,92 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 2013 OpenFOAM Foundation
+     \\/     M anipulation  |
+-------------------------------------------------------------------------------
+License
+    This file is part of OpenFOAM.
+
+    OpenFOAM is free software: you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
+
+Class
+    Foam::extrudeModels::radial
+
+Description
+
+\*---------------------------------------------------------------------------*/
+
+#ifndef radial_H
+#define radial_H
+
+#include "extrudeModel.H"
+#include "DataEntry.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+namespace Foam
+{
+namespace extrudeModels
+{
+
+/*---------------------------------------------------------------------------*\
+                           Class radial Declaration
+\*---------------------------------------------------------------------------*/
+
+class radial
+:
+    public extrudeModel
+{
+    // Private data
+
+        autoPtr<DataEntry<scalar> > R_;
+
+
+public:
+
+    //- Runtime type information
+    TypeName("radial");
+
+    // Constructors
+
+        //- Construct from dictionary
+        radial(const dictionary& dict);
+
+
+    //-Destructor
+    virtual ~radial();
+
+
+    // Member Operators
+
+        point operator()
+        (
+            const point& surfacePoint,
+            const vector& surfaceNormal,
+            const label layer
+        ) const;
+};
+
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+} // End namespace extrudeModels
+} // End namespace Foam
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+#endif
+
+// ************************************************************************* //