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Academic Transparent Triangles
Retail: $2.27
See more from Alvin Drafting

Economical drafting tool features professional quality, molded 0.08" polystyrene, and built-in finger lifts to make handling easier. Supplied in poly bag with hanging hole.

Smoke Triangle with Inking Edge
Retail: $2.77
See more from Alvin Drafting

The Alvin inking edge triangles are made of molded 0.10" thick polystyrene and feature a transparent non-glare smoke tint for easy visibility.

Clear Acrylic Triangles - Straight Edge
Retail: $3.45
See more from Pacific Arc

The Pacific Arc Clear Professional triangles will not discolor or warp with age and handling. 

Fluorescent Triangles with Straight Edge
Retail: $7.57
See more from Alvin Drafting

The Alvin Professional Fluorescent triangle is extremely popular because the refracted light has an illuminating effect on the drawing by accentuating the triangles edge.

Plastic Math Set
Retail: $3.15
Item #: 569 WP4 - See more from Staedtler

Staedtler Plastic 4-Piece Math Set. Contains: 6" Ruler 4" Protractor 45 degree triangle 30/60 degree triangle

Fluorescent Triangles - Straight Edge
Retail: $4.03
See more from Pacific Arc

The Pacific Arc Professional Fluorescent triangle is extremely popular because the refracted light has an illuminating effect on the drawing by accentuating the triangles edge.

Clear Acrylic Triangles with Straight Edge
Retail: $6.97
See more from Alvin Drafting

The Alvin Clear Professional triangles will not discolor or warp with age and handling. 

LX710K : Alvin 10" Computing Tri-Scale Adjustable Triangle
Retail: $28.27
Item #: LX708K - See more from Alvin Drafting

Rise and slope graduations. Inking edges on all three sides. Hot-stamped graduations. Thumbscrew locks triangle securely at desired angle. 0.12" thick light blue optically clear acrylic. Detailed instructions included.Available in three sizes: 8",...

Professional Adjustable Triangles - Straight Edge
Retail: $36.25
Item #: 964 51-8 - See more from Staedtler

Clear acrylic with smooth edges. Protractor section is graduated in 1/2 degree increments from 0 to 90 degrees. Available in even sizes from 8" to 12".

Fluorescent Triangles with Inking Edge
Retail: $4.40
See more from Alvin & Co.

The Alvin fluorescent inking edge triangles are made of molded 0.10" thick polystyrene and feature a fluorescent orange color reflects light along the drawing edge.

10" Triangle Set
Price: $5.30
Retail: $5.59
Item #: HX18311 - See more from Helix

These two triangles are useful measuring tools for students, artists and designers of all levels. 

Tru-Angle Adjustable Triangle - Straight Edge
Retail: $29.67
Item #: 108C - See more from Alvin Drafting

Provides the features of a 45°/90° adjustable triangle plus those of a protractor.

Scholastic Triangle Set
Item #: TR-8W - See more from Pacific Arc

One of the best value triangles on the market! Designed specifically for students, crafters, and professionals on a budget.Available in: 8", 10", 12"

Topaz Triangles - Inking Edge
Retail: $3.94
See more from Pacific Arc

The Pacific Arc inking edge triangles are made of molded 0.08" thick acrylic and feature a transparent non-glare smoke tint for easy visibility.

Professional Adjustable Triangle - Inking Edge
Retail: $32.95
Item #: 2008G - See more from Pacific Arc

Professional-quality adjustable triangle with inking edges.

Aluminum Calibrated Triangles
Retail: $8.50
See more from Alumicolor

Alumicolor® Calibrated Aluminum Triangles are made of tempered aluminum. Photo anodized calibrations are a part of the finish and resist cleaning or rubbing off. Ultra smooth finish won't mark your work surface.

Acrylic Cutting-Edge Triangles
Retail: $16.99
See more from Art Alternatives

These clear acrylic triangles features grid markings including centering lines to facilitate scaled drawings, geometric compositions, and detailed linework. These are multi-use tools, handy for measuring, drawing and cutting. Two edges are beveled...

2-Piece Aluminum Triangle Set
Retail: $18.75
Item #: 5200-1 - See more from Alumicolor

Alumicolor Calibrated Triangles are made of tempered aluminum. Photo anodized calibrations are a part of the finish and resist cleaning or rubbing off. Ultra smooth finish won't mark your work surface. Available in 45/90 or 30/60-angles with...

Super Math Set
Price: $22.80
Retail: $33.75
Item #: 559 86 - See more from Staedtler

Staedtler Mars 7-Piece Super Math Set in Zippered Pouch.

College Combination Set
Retail: $9.25
Item #: 569 32BK - See more from Staedtler

Some of Staedtlers's most popular tools all in one set! These tinted plastic tools all have inking edges.

Fairgate Aluminum Triangles
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Price: $11.60-$54.20
Retail: $15.99
See more from Fairgate

Lightweight, durable aluminum with matte-satin finish that resists stains and tarnishing. Features 1/16" graduations on the 90 angle. May also be used as a template for circles from 1/16" to 1 3/8".Made in the USA