diff --git a/py3dbp/main.py b/py3dbp/main.py
index 9083a69..7ec9bd7 100644
--- a/py3dbp/main.py
+++ b/py3dbp/main.py
@@ -6,7 +6,7 @@
 
 
 class Item:
-    def __init__(self, name, width, height, depth, weight):
+    def __init__(self, name, width, height, depth, weight, overturn=True):
         self.name = name
         self.width = width
         self.height = height
@@ -15,6 +15,7 @@ def __init__(self, name, width, height, depth, weight):
         self.rotation_type = 0
         self.position = START_POSITION
         self.number_of_decimals = DEFAULT_NUMBER_OF_DECIMALS
+        self.overturn = overturn
 
     def format_numbers(self, number_of_decimals):
         self.width = set_to_decimal(self.width, number_of_decimals)
@@ -97,6 +98,10 @@ def put_item(self, item, pivot):
 
         for i in range(0, len(RotationType.ALL)):
             item.rotation_type = i
+
+            if not item.overturn and i not in [RotationType.RT_WHD, RotationType.RT_DHW]:
+                continue
+
             dimension = item.get_dimension()
             if (
                 self.width < pivot[0] + dimension[0] or