Added toFreecad function and modified the examples to use it. Also cleaned up minor PEP non-conformances.

examples/FreeCAD/Ex008_Polygon_Creation.py

@@ -11,10 +11,12 @@
 #If you need to reload the part after making a change, you can use the following lines within the FreeCAD console.
 #reload(Ex008_Polygon_Creation)
 
-#You'll need to delete the original shape that was created, and the new shape should be named sequentially (Shape001, etc).
+#You'll need to delete the original shape that was created, and the new shape should be named sequentially
+# (Shape001, etc).
 
 #You can also tie these blocks of code to macros, buttons, and keybindings in FreeCAD for quicker access.
-#You can get a more information on this example at http://parametricparts.com/docs/examples.html#an-extruded-prismatic-solid
+#You can get a more information on this example at
+# http://parametricparts.com/docs/examples.html#an-extruded-prismatic-solid
 
 import cadquery
 import Part
@@ -27,13 +29,8 @@ polygon_sides = 6
 polygon_dia = 1.0
 
 #Create a plate with two polygons cut through it
-result = cadquery.Workplane("front").box(width, height, thickness).pushPoints ( [ ( 0,0.75 ),(0,-0.75) ]) \
+result = cadquery.Workplane("front").box(width, height, thickness).pushPoints([(0, 0.75), (0, -0.75)]) \
     .polygon(polygon_sides, polygon_dia).cutThruAll()
 
-#Get a cadquery solid object
-solid = result.val()
-
-#Use the wrapped property of a cadquery primitive to get a FreeCAD solid
-Part.show(solid.wrapped)
-
-#Would like to zoom to fit the part here, but FreeCAD doesn't seem to have that scripting functionality
+#Boiler plate code to render our solid in FreeCAD's GUI
+Part.show(result.toFreecad())