diff --git a/etesian/src/BloatCells.cpp b/etesian/src/BloatCells.cpp
index d082b68a..341dddc1 100644
--- a/etesian/src/BloatCells.cpp
+++ b/etesian/src/BloatCells.cpp
@@ -121,6 +121,39 @@ namespace Etesian {
   }  
 
 
+  Bloat90Percents::Bloat90Percents ()
+    : BloatCell("90%")
+  { }
+
+
+  Bloat90Percents::~Bloat90Percents ()
+  { }
+
+
+  DbU::Unit  Bloat90Percents::getDx ( const Cell* cell, const EtesianEngine* etesian ) const
+  {
+    int terminals = 0;
+    for ( Net* net : cell->getNets() ) {
+      if (net->isExternal() and not net->isPower()) ++terminals;
+    }
+
+    Box ab ( cell->getAbutmentBox() );
+    DbU::Unit vpitch = etesian->getVerticalPitch();;
+    int       xsize  = (ab.getWidth() + vpitch - 1) / vpitch;
+
+    // float termRatio = (float)terminals / (float)(ab.getWidth() / vpitch);
+    // if (termRatio > 0.5) {
+    //   return vpitch*6;
+    // }
+
+    if (xsize < 4) return vpitch*11;
+    if (xsize < 6) return vpitch*8;
+    if (xsize < 8) return vpitch*6;
+    
+    return vpitch*4;
+  }  
+
+
   bool  BloatCells::select ( std::string profile )
   {
     BloatKey key ( profile );
diff --git a/etesian/src/etesian/BloatCells.h b/etesian/src/etesian/BloatCells.h
index 6d4b712a..6d9cb6d4 100644
--- a/etesian/src/etesian/BloatCells.h
+++ b/etesian/src/etesian/BloatCells.h
@@ -90,6 +90,14 @@ namespace Etesian {
       virtual           ~Bloat3Metals ();
       virtual DbU::Unit  getDx        ( const Cell*, const EtesianEngine* ) const;
   };
+
+
+  class Bloat90Percents : public BloatCell {
+    public:
+                         Bloat90Percents ();
+      virtual           ~Bloat90Percents ();
+      virtual DbU::Unit  getDx           ( const Cell*, const EtesianEngine* ) const;
+  };
   
 
   class BloatCells {
@@ -114,9 +122,10 @@ namespace Etesian {
     , _bloatCells()
     , _dxSpace   (0)
   {
-    _bloatCells.insert( new BloatDisabled() );
-    _bloatCells.insert( new BloatNsxlib  () );
-    _bloatCells.insert( new Bloat3Metals () );
+    _bloatCells.insert( new BloatDisabled  () );
+    _bloatCells.insert( new BloatNsxlib    () );
+    _bloatCells.insert( new Bloat3Metals   () );
+    _bloatCells.insert( new Bloat90Percents() );
     select( "disabled" );
   }