add linear_extrude() function to make.py. rotate_extrude() now takes the number of rotational steps to extrude instead of the angle step size. updated documention in make.py.

1 files changed, 4 insertions, 0 deletions

diff --git a/itertoolset.py b/itertoolset.py
index 9d5200c..a20d03b 100644
--- a/itertoolset.py
+++ b/itertoolset.py
@@ -47,3 +47,7 @@ def consume(iterator, n=None):
     else:
         # advance to the empty slice starting at position n
         next(islice(iterator, n, n), None)
+
+def flatten(listOfLists):
+    "Flatten one level of nesting"
+    return chain.from_iterable(listOfLists)