diff --git a/Tools/pynche/ChipViewer.py b/Tools/pynche/ChipViewer.py
index b4dfa85..190cf09 100644
--- a/Tools/pynche/ChipViewer.py
+++ b/Tools/pynche/ChipViewer.py
@@ -53,7 +53,7 @@
     def __init__(self, switchboard, parent=None):
         self.__sb = switchboard
         self.__frame = Frame(parent)
-        self.__frame.pack()
+        self.__frame.pack(expand=YES, fill=BOTH)
         # create the chip that will display the currently selected color
         # exactly
         self.__sframe = Frame(self.__frame)
diff --git a/Tools/pynche/StripViewer.py b/Tools/pynche/StripViewer.py
index 5c38c0e..98074c1 100644
--- a/Tools/pynche/StripViewer.py
+++ b/Tools/pynche/StripViewer.py
@@ -267,17 +267,20 @@
 class StripViewer:
     def __init__(self, switchboard, parent=None):
         self.__sb = switchboard
-        self.__reds = StripWidget(switchboard, parent,
+        # create a frame inside the parent
+        self.__frame = Frame(parent)
+        self.__frame.pack()
+        self.__reds = StripWidget(switchboard, self.__frame,
                                   generator=constant_cyan_generator,
                                   axis=0,
                                   label='Red Variations')
 
-        self.__greens = StripWidget(switchboard, parent,
+        self.__greens = StripWidget(switchboard, self.__frame,
                                     generator=constant_magenta_generator,
                                     axis=1,
                                     label='Green Variations')
 
-        self.__blues = StripWidget(switchboard, parent,
+        self.__blues = StripWidget(switchboard, self.__frame,
                                    generator=constant_yellow_generator,
                                    axis=2,
                                    label='Blue Variations')