From the "Z" obtained from a Line with the Centers in a Mini-Wave after a Step & Slide.
Ends in a Line. "Z"-Axle is a 3-part call.
Pass "Z" Axle [C3B] :
From the "Z" obtained from a Two-Faced Line after the Ends Fold.
Outsides Cross Cast Back;
all Trade; Centers Trade.
Ends in a Wave. This is a 4-part call.