diff --git a/src/common/QskScaleTickmarks.cpp b/src/common/QskScaleTickmarks.cpp
index 89764980..5a9a2cba 100644
--- a/src/common/QskScaleTickmarks.cpp
+++ b/src/common/QskScaleTickmarks.cpp
@@ -6,13 +6,13 @@
 #include "QskScaleTickmarks.h"
 #include <algorithm>
 
-int QskScaleTickmarks::tickCount() const noexcept
+static void qskRegisterTickmarks()
 {
-    return m_ticks[ MajorTick ].count()
-        + m_ticks[ MediumTick ].count()
-        + m_ticks[ MinorTick ].count();
+    qRegisterMetaType< QskScaleTickmarks >();
 }
 
+Q_CONSTRUCTOR_FUNCTION( qskRegisterTickmarks )
+
 QskScaleTickmarks::QskScaleTickmarks()
 {
 }
@@ -21,6 +21,14 @@ QskScaleTickmarks::~QskScaleTickmarks()
 {
 }
 
+int QskScaleTickmarks::tickCount() const noexcept
+{
+    return m_ticks[ MajorTick ].count()
+        + m_ticks[ MediumTick ].count()
+        + m_ticks[ MinorTick ].count();
+}
+
+
 int QskScaleTickmarks::tickCount( TickType type ) const noexcept
 {
     return m_ticks[ type ].count();
@@ -66,4 +74,18 @@ bool QskScaleTickmarks::operator==( const QskScaleTickmarks& other ) const noexc
         && ( m_ticks[ 2 ] == other.m_ticks[ 2 ] );
 }
 
+#ifndef QT_NO_DEBUG_STREAM
+
+#include <qdebug.h>
+
+QDebug operator<<( QDebug debug, const QskScaleTickmarks& tickmarks )
+{
+    debug << tickmarks.majorTicks()
+        << tickmarks.mediumTicks() << tickmarks.minorTicks();
+
+    return debug;
+}
+
+#endif
+
 #include "moc_QskScaleTickmarks.cpp"
diff --git a/src/common/QskScaleTickmarks.h b/src/common/QskScaleTickmarks.h
index 94075356..edb8102c 100644
--- a/src/common/QskScaleTickmarks.h
+++ b/src/common/QskScaleTickmarks.h
@@ -93,4 +93,12 @@ inline bool QskScaleTickmarks::operator!=(
     return !( *this == other );
 }
 
+Q_DECLARE_METATYPE( QskScaleTickmarks )
+
+#ifndef QT_NO_DEBUG_STREAM
+
+QSK_EXPORT QDebug operator<<( QDebug, const QskScaleTickmarks& );
+
+#endif
+
 #endif