From en.wikipedia.org:
[Technical drawing instrument] [T-square (disambiguation)]
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[date=September 2014][date=November 2023]
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A T-SQUARE is a technical drawing instrument used by draftsmen primarily as a
guide for drawing horizontal lines on a drafting table. The instrument is
named after its resemblance to the letter T, with a long shaft called the
"blade" and a short shaft called the "stock" or "head". T-squares are
available in a range of sizes, with common lengths being [18], [24], [30],
[36] and [42].[date=September 2010]
In addition to drawing horizontal lines, a T-square can be used with a set
square to draw vertical or diagonal lines.<ref name = "Drafting 1940">[ last =
United States War Department ] The T-square usually has a transparent edge
made of plastic which should be free of nicks and cracks in order to provide
smooth, straight lines.
T-squares are also used in various industries, such as construction. For
example, drywall T-squares are typically made of aluminum and have a [48]
tongue, allowing them to be used for measuring and cutting drywall. In
woodworking, higher-end table saws often have T-square fences attached to a
rail on the front side of the table, providing improved accuracy and precision
when cutting wood.
** See also
- Technical drawing tools
** References
[Reflist]
[Measuring and alignment tools][Authority control] [DEFAULTSORT:T-Square]
Category:Technical drawing tools Category:Squares (tool)