T square
Quick Summary
A T-square is a ruler with a crosspiece at one end, used for making parallel lines. In drafting, it serves as a horizontal reference on a drawing board. It is a widely known piece of drafting equipment, alongside triangles, protractors, and compasses. An alternative to the T-square is the parallel straightedge.123
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square…T-shaped instrument known as a T square is used for establishing a horizontal reference on the drafting board.
Read More…T-shaped instrument known as a T square is used for establishing a horizontal reference on the drafting board.
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draftingEquipmentMost widely known are the T square, triangle, protractor, and compass; the parallel straightedge is an alternative to the T square. The drafting machine, introduced about 1930, allows a straightedge to be moved while maintaining any desired angle between it and the edge of the drawing board. Combining the functions…
Read MoreMost widely known are the T square, triangle, protractor, and compass; the parallel straightedge is an alternative to the T square. The drafting machine, introduced about 1930, allows a straightedge to be moved while maintaining any desired angle between it and the edge of the drawing board. Combining the functions…
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