S Simple Squares

S.1

Single Square

S.2

Square with external triangles

S.3

Square, four spokes | Example, with photograph: IAph2007 4.6.i (mislabelled as S.2): (online)

S.4

Square, central cross

S.5

Square, 8 spokes

SS Two Concentric squares

SS.1

SSS Three Concentric Squares

SSS.1

Mill design or Nine Men’s Morris | Example, with photograph: IAph2007 1.10 (online)

 SSS.2

Three concentric squares

Square Grid

SG.1 | 8 x 8

SG.2 | 10 x 10

SG.3 | 15 x 15