oliver.tomas:
Handbook of designs and devices (1946)
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The sector and its combinations (pp. 4-5)
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The line and band & The band encircled (pp. 26-7)
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The triangle (pp. 36-7)
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The square and its combinations & The square and checker combinations (pp. 70-1)
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The cross (pp. 96-7)
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The swastika & The swastika and its variants (pp. 116-7)
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The octagon & The octagon and its variants (pp. 148-9)
oliver.tomas:
The fret and its variants (pp. 180-1)
oliver.tomas:
The fret and its combinations & The rectangle subdivision (pp. 184-5)