mesh.ExtrusionSweep([e1],dir1,11)
# 2. create second edge and make extrusion along 0y
n3 = mesh.AddNode(-5,-55,0)
n4 = mesh.AddNode(5,-55,0)
e2 = mesh.AddEdge([n3,n4])
mesh.ExtrusionSweep([e1],dir1,11)
# 2. create second edge and make extrusion along 0y
n3 = mesh.AddNode(-5,-55,0)
n4 = mesh.AddNode(5,-55,0)
e2 = mesh.AddEdge([n3,n4])