From a Diamond with the points facing opposite directions.
Centers Hinge as Points do your part Lockit (Isolate);
all Drop In.
Ends in a Mini-Wave Box.
From a normal Diamond, Connect The Diamond feels
like Cross Fire [Plus].
Counter Rotate 1/4
with respect to the center of your Line or Diamond.
Drop direction [C2] :
From a Diamond or Generalized Single 1/4 Tag with the Centers in a Mini-Wave.
Centers do your part of Extend the Tag as the Others 1/4 toward the given direction
(relative to the 4-dancer formation).
Adjust to end in a 2 x 2.