3x4 Chinese Zigzag

From the grandfather of J. A. Storer; circa 1900?
(wood, 2.4 by 2.75 by 1.9 inches)

A simpler 3x4 version (3 wavy horizontal cuts and 4 wavy vertical cuts) of the 4x4 puzzle described on page 109 of the 1893 Hoffmann book.