A text book dealing with ornamental design for woven fabrics (1900)
Stephenson, C · London : Methuen · leaf 53
Diacram 1 the unit and the repeat are identical, and the square indicates the part for which the cards would have to be cut; but in DrAcrRam 4 the unit is contained in a diamond, and the complete repeat is composed of one whole diamond and four quarters, which together, as is shown by the black… … DIAGRAMS ILLUSTRATING UNIT AND REPEAT, ETC. treated in the same way as the square, except that the design would be an oblong shape instead of a square. DIAGRAMS 3, 5, and 6, the triangle, hexagon, and ogee, would be treated the same way as the diamond, D1racram 4 ; this is shown by the black lines…
Textile design
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.