T-square

(redirected from T-squares)
Also found in: Dictionary, Thesaurus.

T-square

a T-shaped ruler used in mechanical drawing, consisting of a short crosspiece, which slides along the edge of the drawing board, and a long horizontal piece: used for drawing horizontal lines and to support set squares when drawing vertical and inclined lines

T-square, tee square

A guide used in mechanical and architectural drawing; consists of two arms joined together at right angles, like the letter T; the shorter arm slides along the edge of the drawing table or drawing board, which serves as a guide; the longer arm is used to draw parallel lines or to support triangles for drawing lines at different angles.
References in periodicals archive ?
We learned layout and design with T-Squares and pen and ink, which had to be perfect.
I pre-cut each piece out of foam board, although older students could cut the foam board themselves using T-squares and X-Acto knives.
Accurate 90-degree edges offer precise reference for measuring and attaching T-squares.
As I thought about projects inspired by the illuminations, I envisioned my class constructing designs with T-squares, triangles, French curves and compasses.
The blades of the new Lance T-Squares are made from the finest grade of stainless steel with the right amount of flexibility to always snap back to shape.