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Tessellated I - my simple technical drawing, coloured artfully
The "I" Shape.
The "I" shape is square in proportions, with the vertical column one third the width of the square by design. The thickness of the base and top of the "I" are the same thickness and consequently have to be one quarter of the height of the square to tessellate in this precise fashion. The shape of the "I" I arrived at during consideration of one of my engineering design projects.
