diff --git a/psemektypes.py b/psemektypes.py
new file mode 100644
index 00000000..fddcf6eb
--- /dev/null
+++ b/psemektypes.py
@@ -0,0 +1,110 @@
+############################################################################
+#
+# Copyright (C) 2016 The Qt Company Ltd.
+# Contact: https://www.qt.io/licensing/
+#
+# This file is part of Qt Creator.
+#
+# Commercial License Usage
+# Licensees holding valid commercial Qt licenses may use this file in
+# accordance with the commercial license agreement provided with the
+# Software or, alternatively, in accordance with the terms contained in
+# a written agreement between you and The Qt Company. For licensing terms
+# and conditions see https://www.qt.io/terms-conditions. For further
+# information use the contact form at https://www.qt.io/contact-us.
+#
+# GNU General Public License Usage
+# Alternatively, this file may be used under the terms of the GNU
+# General Public License version 3 as published by the Free Software
+# Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+# included in the packaging of this file. Please review the following
+# information to ensure the GNU General Public License requirements will
+# be met: https://www.gnu.org/licenses/gpl-3.0.html.
+#
+############################################################################
+
+# This is a place to add your own dumpers for testing purposes.
+# Any contents here will be picked up by GDB, LLDB, and CDB based
+# debugging in Qt Creator automatically.
+
+# NOTE: This file will get overwritten when updating Qt Creator.
+#
+# To add dumpers that don't get overwritten, copy this file here
+# to a safe location outside the Qt Creator installation and
+# make this location known to Qt Creator using the Debugger >
+# Locals & Expressions > Extra Debugging Helpers setting.
+
+# Example to display a simple type
+# template<typename U, typename V> struct MapNode
+# {
+#     U key;
+#     V data;
+# }
+#
+# def qdump__MapNode(d, value):
+#    d.putValue("This is the value column contents")
+#    d.putExpandable()
+#    if d.isExpanded():
+#        with Children(d):
+#            # Compact simple case.
+#            d.putSubItem("key", value["key"])
+#            # Same effect, with more customization possibilities.
+#            with SubItem(d, "data")
+#                d.putItem("data", value["data"])
+
+# Check http://doc.qt.io/qtcreator/creator-debugging-helpers.html
+# for more details or look at qttypes.py, stdtypes.py, boosttypes.py
+# for more complex examples.
+
+import dumper
+import struct
+
+######################## Your code below #######################
+
+typeFormats = {
+    'float': 'f',
+    'double': 'd',
+    'int': 'i',
+}
+
+def qdump__psemek__geom__vector(d, value):
+    size = value.type[1]
+    coordType = value.type[0]
+    canPrint = coordType.name in typeFormats
+    d.putExpandable()
+    if d.isExpanded() or not canPrint:
+        d.putItemCount(size)
+        d.putArrayData(value.address(), size, value.type[0])
+    else:
+        desc = ""
+        arr = None
+        for m in value.members(False):
+            if m.name == 'coords':
+                arr = m.data()
+                break
+        f = typeFormats[coordType.name]
+        for v in struct.iter_unpack(f, arr):
+            if len(desc) > 0:
+                desc += ", "
+            desc += '{:.5f}'.format(v[0])
+        d.putValue("(" + desc + ")")
+
+def qdump__psemek__geom__point(d, value):
+    qdump__psemek__geom__vector(d, value)
+
+def qdump__psemek__geom__interval(d, value):
+    coordType = value.type[0]
+    canPrint = coordType.name in typeFormats
+    d.putExpandable()
+    if d.isExpanded() or not canPrint:
+        # TODO
+        pass
+    else:
+        desc = ""
+        arr = value.data()
+        f = typeFormats[coordType.name]
+        for v in struct.iter_unpack(f, arr):
+            if len(desc) > 0:
+                desc += ", "
+            desc += '{:.5f}'.format(v[0])
+        d.putValue("[" + desc + "]")