What are the uses of a t-square in technical drawing and their explanations? - Quora

Answer (1 of 5): The T-square is a strait edge and was used to draw horizontal lines only. Right-handed draftsmen would align the T-square with the left edge of the drawing board and use a mechanical pencil to draw. It’s the opposite for left-handed people. Two triangles were then needed to draw

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Is technical drawing important? - Quora

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What is the area of the black part of this square? - Quora

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What is the purpose of a T-square in engineering drawings? - Quora

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What is the difference between a jig and a fixture? - Quora