diff --git a/nimbus/src/Configuration.cpp b/nimbus/src/Configuration.cpp
new file mode 100644
index 00000000..082b6455
--- /dev/null
+++ b/nimbus/src/Configuration.cpp
@@ -0,0 +1,124 @@
+
+// -*- C++ -*-
+//
+// This file is part of the Coriolis Software.
+// Copyright (c) UPMC/LIP6 2008-2010, All Rights Reserved
+//
+// ===================================================================
+//
+// $Id$
+//
+// x-----------------------------------------------------------------x
+// |                                                                 |
+// |                   C O R I O L I S                               |
+// |     N i m b u s  -  Partionnement Infrastructure                |
+// |                                                                 |
+// |  Author      :                    Jean-Paul CHAPUT              |
+// |  E-mail      :       Jean-Paul.Chaput@asim.lip6.fr              |
+// | =============================================================== |
+// |  C++ Module  :       "./Configuration.cpp"                      |
+// | *************************************************************** |
+// |  U p d a t e s                                                  |
+// |                                                                 |
+// x-----------------------------------------------------------------x
+
+
+#include  <iostream>
+#include  <iomanip>
+
+#include  "hurricane/Cell.h"
+#include  "crlcore/Utilities.h"
+#include  "nimbus/Configuration.h"
+
+
+
+namespace Nimbus {
+
+
+  using  std::cout;
+  using  std::cerr;
+  using  std::endl;
+  using  std::setprecision;
+  using  std::ostringstream;
+  using  std::string;
+  using  Hurricane::tab;
+  using  Hurricane::inltrace;
+
+
+// -------------------------------------------------------------------
+// Class  :  "Nimbus::Configuration".
+
+
+  Configuration* Configuration::_default = NULL;
+
+
+  Configuration* Configuration::getDefault ()
+  {
+    if ( _default == NULL ) {
+      _default = new Configuration ();
+    }
+    return _default;
+  }
+
+
+  Configuration::Configuration ()
+    : _pinsPlacement(false)
+    , _aspectRatio  (1.00)
+    , _margin       (0.40)
+    , _workZone     ()
+  { }
+
+
+  Configuration::Configuration ( const Configuration& other )
+    : _pinsPlacement(other._pinsPlacement)
+    , _aspectRatio  (other._aspectRatio)
+    , _margin       (other._margin)
+    , _workZone     (other._workZone)
+  { }
+
+
+  Configuration::~Configuration ()
+  { }
+
+
+  Configuration* Configuration::clone () const
+  { return new Configuration(*this); }
+
+
+  void  Configuration::print ( Cell* cell ) const
+  {
+    cout << "  o  Configuration of ToolEngine<Nimbus> for Cell <" << cell->getName() << ">" << endl;
+    cout << Dots::asBool      ("     - Pins Placement"                    ,_pinsPlacement) << endl;
+    cout << Dots::asPercentage("     - Margin Ratio"                      ,_margin) << endl;
+  }
+
+
+  string  Configuration::_getTypeName () const
+  {
+    return "Nimbus::Configuration";
+  }
+
+
+  string  Configuration::_getString () const
+  {
+    ostringstream  os;
+
+    os << "<" << _getTypeName() << ">";
+
+    return os.str();
+  }
+
+
+  Record* Configuration::_getRecord () const
+  {
+    Record* record = new Record ( _getString() );
+    record->add ( getSlot( "_pinsPlacement", _pinsPlacement) );
+    record->add ( getSlot( "_margin"       , _margin       ) );
+    record->add ( getSlot( "_workZone"     , _workZone     ) );
+                                     
+    return ( record );
+  }
+
+
+
+}  // End of Nimbus namespace.
diff --git a/nimbus/src/nimbus/Configuration.h b/nimbus/src/nimbus/Configuration.h
new file mode 100644
index 00000000..4979a507
--- /dev/null
+++ b/nimbus/src/nimbus/Configuration.h
@@ -0,0 +1,107 @@
+
+// -*- C++ -*-
+//
+// This file is part of the Coriolis Software.
+// Copyright (c) UPMC/LIP6 2008-2010, All Rights Reserved
+//
+// ===================================================================
+//
+// $Id$
+//
+// x-----------------------------------------------------------------x
+// |                                                                 |
+// |                   C O R I O L I S                               |
+// |     N i m b u s  -  Partionnement Infrastructure                |
+// |                                                                 |
+// |  Author      :                    Jean-Paul CHAPUT              |
+// |  E-mail      :       Jean-Paul.Chaput@asim.lip6.fr              |
+// | =============================================================== |
+// |  C++ Header  :       "./Configuration.h"                        |
+// | *************************************************************** |
+// |  U p d a t e s                                                  |
+// |                                                                 |
+// x-----------------------------------------------------------------x
+
+
+#ifndef  __NIMBUS_CONFIGURATION__
+#define  __NIMBUS_CONFIGURATION__
+
+#include  <string>
+#include  <hurricane/Box.h>
+
+namespace Hurricane {
+  class Record;
+  class Cell;
+}
+
+
+namespace Nimbus {
+
+  using Hurricane::Box;
+  using Hurricane::Cell;
+  using Hurricane::Record;
+
+
+// -------------------------------------------------------------------
+// Class  :  "Nimbus::Configuration".
+
+
+  class Configuration {
+    public:
+      static  Configuration* getDefault                    ();
+    public:
+    // Constructor & Destructor.
+                             Configuration                 ();
+                            ~Configuration                 ();
+              Configuration* clone                         () const;
+    // Methods.
+      inline  bool           doPinsPlacement               () const;
+      inline  double         getAspectRatio                () const;
+      inline  double         getMargin                     () const;
+      inline  const Box&     getWorkZone                   () const;
+              void           print                         ( Cell* ) const;
+      inline  void           setPinsPlacement              ( bool );
+      inline  void           setAspectRatio                ( double );
+      inline  void           setMargin                     ( double );
+      inline  void           setWorkZone                   ( const Box& );
+      inline  static double  _normPercentage               ( double ratio, double min=0.0, double max=1.0 );
+              Record*        _getRecord                    () const;
+              std::string    _getString                    () const;
+              std::string    _getTypeName                  () const;
+    private:
+    // Attributes.
+      static Configuration* _default;
+             bool           _pinsPlacement;
+             double         _aspectRatio;
+             double         _margin;
+             Box            _workZone;
+    private:
+                             Configuration ( const Configuration& );
+      Configuration& operator=             ( const Configuration& );
+  };
+
+
+// Inline Methods.
+  inline  bool        Configuration::doPinsPlacement  () const { return _pinsPlacement; }
+  inline  double      Configuration::getAspectRatio   () const { return _aspectRatio; }
+  inline  double      Configuration::getMargin        () const { return _margin; }
+  inline  const Box&  Configuration::getWorkZone      () const { return _workZone; }
+  inline  void        Configuration::setPinsPlacement ( bool state ) { _pinsPlacement=state; }
+  inline  void        Configuration::setAspectRatio   ( double ratio ) { _aspectRatio=_normPercentage(ratio,0.1,10.0); }
+  inline  void        Configuration::setMargin        ( double margin ) { _margin=_normPercentage(margin,0.0,10.0); }
+  inline  void        Configuration::setWorkZone      ( const Box& workZone ) { _workZone=workZone; } 
+
+  inline double  Configuration::_normPercentage ( double ratio, double min, double max ) {
+    if ( ratio < min ) return min;
+    if ( ratio > max ) return max;
+    return ratio;
+  }
+
+
+}  // End of Nimbus namespace.
+
+
+INSPECTOR_P_SUPPORT(Nimbus::Configuration);
+
+
+#endif  // __NIMBUS_CONFIGURATION__