Originally Posted by snak (Post 474781)

hi,

The local coordinate system is defined by the order in which the vertices are presented in the block definition. Please refer to UserGuide 5.3.
Using the following blocks will create mesh without error.

blocks
(
hex (5 4 2 3 0 1 1 0) (80 1 240) simpleGrading (1 1 1)
);