Another Octagram-To-Square Dissection
This Demonstration shows an octagram to square dissection. (An octagram is the compound of a square and that square rotated about its center by 45°.)
 P. Berloquin, The Garden of the Sphinx: 150 Challenging and Instructive Puzzles (C. Scribner, Jr., trans.), New York: Charles Scribner's Sons, 1985 p. 129.