It is primarily used in projecting horizontal lines. The T-squares head could be detached or fixed. The lower edge of the T-square maybe used as a guide for cutting. The blade on its upper edge is called as the working edge. It is commonly made from celluloid materials with its straight edge and wooden blade.
Ludwig Precision Standard Aluminum T-Square for Art Framing & Drafting, 24-inch : Artists Drawing Aids : Office Products
T square drawing intrument architect #AD , #SPONSORED, #affiliate, #drawing, #intrument, #architect, #square
Drafting T-Squares, Student T-Squares, Professional Drafting T-Squares Page 2 - EngineerSupply
These T-Squares have a stainless steel blade for accurate line drawing and cutting, a single hole for hanging and a plastic blue head. The blade
Art Alternatives Stainless Steel T-Square
317 ADJUSTABLE T-SQUARE - Kapro Industries Ltd.
The Best T-Squares for Accurate Drawings
Precision Woodworking T-Square 32-Inch - Woodpeckers TS-32-20
Wood Acrylic T-Squares with calibrated edges
T-Square - Astrology King
60 CM, Inches and Centimer Markings, Detachable Head
Plastic T-Square 60cm
T-Square Engineering, Inc.