diff --git a/playground/anchors/AnchorBox.cpp b/playground/anchors/AnchorBox.cpp
index 1f385794..50c8cba5 100644
--- a/playground/anchors/AnchorBox.cpp
+++ b/playground/anchors/AnchorBox.cpp
@@ -5,10 +5,10 @@
 
 #include "AnchorBox.h"
 
-#include "Solver.h"
-#include "Constraint.h"
-#include "Variable.h"
-#include "Expression.h"
+#include "kiwi/Solver.h"
+#include "kiwi/Constraint.h"
+#include "kiwi/Variable.h"
+#include "kiwi/Expression.h"
 
 #include <QskEvent.h>
 #include <QskQuick.h>
diff --git a/playground/anchors/anchors.pro b/playground/anchors/anchors.pro
index d5e25ce4..d56d699f 100644
--- a/playground/anchors/anchors.pro
+++ b/playground/anchors/anchors.pro
@@ -1,17 +1,17 @@
 CONFIG += qskexample
 
 HEADERS += \
-    Constraint.h \
-    Expression.h \
-    Solver.h \
-    Strength.h \
-    Term.h \
-    Variable.h
+    kiwi/Constraint.h \
+    kiwi/Expression.h \
+    kiwi/Solver.h \
+    kiwi/Strength.h \
+    kiwi/Term.h \
+    kiwi/Variable.h
 
 SOURCES += \
-    Expression.cpp \
-    Constraint.cpp \
-    Solver.cpp
+    kiwi/Expression.cpp \
+    kiwi/Constraint.cpp \
+    kiwi/Solver.cpp
 
 HEADERS += \
     AnchorBox.h
diff --git a/playground/anchors/Constraint.cpp b/playground/anchors/kiwi/Constraint.cpp
similarity index 100%
rename from playground/anchors/Constraint.cpp
rename to playground/anchors/kiwi/Constraint.cpp
diff --git a/playground/anchors/Constraint.h b/playground/anchors/kiwi/Constraint.h
similarity index 100%
rename from playground/anchors/Constraint.h
rename to playground/anchors/kiwi/Constraint.h
diff --git a/playground/anchors/Expression.cpp b/playground/anchors/kiwi/Expression.cpp
similarity index 100%
rename from playground/anchors/Expression.cpp
rename to playground/anchors/kiwi/Expression.cpp
diff --git a/playground/anchors/Expression.h b/playground/anchors/kiwi/Expression.h
similarity index 100%
rename from playground/anchors/Expression.h
rename to playground/anchors/kiwi/Expression.h
diff --git a/playground/anchors/Solver.cpp b/playground/anchors/kiwi/Solver.cpp
similarity index 100%
rename from playground/anchors/Solver.cpp
rename to playground/anchors/kiwi/Solver.cpp
diff --git a/playground/anchors/Solver.h b/playground/anchors/kiwi/Solver.h
similarity index 100%
rename from playground/anchors/Solver.h
rename to playground/anchors/kiwi/Solver.h
diff --git a/playground/anchors/Strength.h b/playground/anchors/kiwi/Strength.h
similarity index 100%
rename from playground/anchors/Strength.h
rename to playground/anchors/kiwi/Strength.h
diff --git a/playground/anchors/Term.h b/playground/anchors/kiwi/Term.h
similarity index 100%
rename from playground/anchors/Term.h
rename to playground/anchors/kiwi/Term.h
diff --git a/playground/anchors/Variable.h b/playground/anchors/kiwi/Variable.h
similarity index 100%
rename from playground/anchors/Variable.h
rename to playground/anchors/kiwi/Variable.h