Other Definitions
t square (dict)
t square (dict)
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T-squareA T-square is primarily a guide for drawing horizontal lines on a drafting table. It is also used to guide the triangle that draws vertical lines. Its name comes from the general shape of the instrument where the horizontal member of the T slides on the side of the drafting table. Common lengths are 18", 24", 30", 36" and 42". See also
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