sled example

git-svn-id: https://pycam.svn.sourceforge.net/svnroot/pycam/trunk@34 bbaffbd6-741e-11dd-a85d-61de82d9cad9

Samples/STL/sled.cfg

+[stock]
+MinX=-1
+MinY=-1
+MinZ=0
+MaxX=+8
+MaxY=+3
+MaxZ=3
+
+[config]
+ToolRadius=0.25
+TorusRadius=0.1
+Layers=2
+Samples=50
+Lines=20
+Cutter=SphericalCutter
+PathGenerator=PushCutter
+PathProcessor=ZigZagCutter