Good quality drafting instruments make technical drawing easier, cleaner, and more accurate. Shop drafting triangles, compasses, dividers, beam compasses, proportional dividers, irregular curves, pantographs, and other precision drafting tools used in architecture, engineering, design, STEM education, and manual drafting.
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6" Traditional Friction Divider
Pacific Arc$6.10Easily measures, transfer measurements, or mark off specific distances. Accurately transfer measurements on most project surfaces.Features: Replaceable and adjustable needle pointsExtends to a maximum 9.25" radius -
6-Piece Ship Curve Set
Westcott$23.50This set of drawing templates features six curve guides that suggest the gently bowing and tapered curves of a ship's hull. Whether you are drafting, designing or creating a technical drawing, this curve set is extremely useful.Features: Fabricated from... -
6.5" Smoke-Grey French Curve - Inking Edge
Alvin Drafting$2.90The Alvin French Curve is perfect for drawing irregular curves and connecting line segments. Its dual inking edges ensure smudge-free, precise results with pencils or technical pens on either side. Made from 0.10" thick transparent... -
8" 45/90 Acrylic Cutting-Edge Triangle
Art Alternatives$13.30These 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 for... -
8-Piece French Curve Set
Alvin Drafting$29.00The most popular full-seized curves molded of smoke gray-tinted 0.10" thick polystyrene with double inking edges. These french curves are great for individual or classroom use!This set contains: FC3361 - 5.25"FC3371 - 6.5"FC3381 - 6.5"FC3391 -... -
8-Piece Geometry Set with Compass
Alvin Drafting$5.80This 8-piece geometry set is ideal For Students Of All Ages, Vocational Or College Classes Studying Drafting, Architectural Design, And Construction Engineering. These sets are versatile and can Be Used In Geometry Class, Drafting, Architectural... -
8.5" Smoke-Grey French Curve - Inking Edge
Alvin Drafting$4.10The Alvin French Curve is perfect for drawing irregular curves and connecting line segments. Its dual inking edges ensure smudge-free, precise results with pencils or technical pens on either side. Made from 0.10" thick transparent... -
Alumicolor Beam Compass Rule
Alumicolor$14.05 - $15.35The Alumicolor Compass Ruler Set includes a shaft, anchor point, lead holder, and lead, all in one package. This versatile tool can create large circles and automatically calculates the radius, area, and circumference. The fingertip control trammel... -
Aluminum Calibrated Triangles
Alumicolor$5.95 - $13.45BulletsFeatures: Available in 45/90 or 30/60-anglesSizes 6" to 12" with calibrations in inches and centimetersNow featuring calibrations on the holesTempered aluminumDescriptionAlumicolor® Calibrated Aluminum Triangles are made of tempered aluminum... -
Aluminum Triangles
Fairgate$22.40 - $45.60Lightweight, 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 -
Angle and Circle Maker
Helix$5.60This circular protractor rotates freely, enabling you to draw angles like a protractor and circles like a compass. The center disc includes slots for drawing angles up to 360° and holes for creating circles ranging from 1/8" to 4" in diameter... -
Basic-Bow Standard Drawing Set
Alvin Drafting$43.80Set includes 6" and 4½" pencil compass/dividers and 6" friction divider with self centering gear head design and replaceable needle points.Features: 6" compass is designed with fiberglass ringhead and pivot design for smooth, firm adjustment.Accurate... -
Beam Compass Bar Slide Assembly
Pacific Arc$5.70The Bar Slide Assembly for Beam Compasses allows smooth and accurate adjustment of beam compasses. It contains a complete bar slide assembly that replaces the sliding leg part of any Alvin beam compass. It also comes with spring-loaded thumbwheels.For... -
Beam Compass Coupling
Pacific Arc$4.00Beam Compass Coupling with thumb screw. Works with both Pacific Arc & Alvin beam compasses. -
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Beam Compass Point Leg
Pacific Arc$2.40Point leg for beam compasses.Works with both Pacific Arc & Alvin beam compasses. -
Beam Compass Ruling Pen Leg
Pacific Arc$2.30Ruling pen leg for beam compasses. Works with both Pacific Arc & Alvin beam compasses. -
C-THRU 8-Piece French Curve Set - Inkling Edge
Westcott$17.00This French curve set includes eight of the most popular curves. These heavy-weight curves feature a smooth inking edge and allow you to create a wide variety of continuous, flowing arcs and curves.Features: Heavy weight clear plasticSmooth... -
Circle Ruler
Helix$4.70This dual-purpose ruler also works as a compass, allowing the you to make circles from 1/16" to 12" in diameter. A useful tool for draftsmen, students, artists and crafters who require precise, measured lines. Great for mathematic calculations, technical... -
College Combination Set
Staedtler$7.40Some of Staedtlers's most popular tools all in one set! These tinted plastic tools all have inking edges. 4-Piece Set Includes: 12" ruler 6" 45°/90° triangle 8" 30°/60° triangle 6" 180° protractor
Professional Drafting Instruments for Technical Drawing and Precision Layout
Good drafting instruments make technical drawing easier, cleaner, and more accurate. Whether you're learning geometry, working through architecture school, creating fabrication layouts, or sketching design concepts by hand, the right tools make a noticeable difference.
This collection includes drafting triangles, compasses, dividers, beam compasses, proportional dividers, irregular curves, pantographs, and other precision drafting instruments used in architecture, engineering, design, STEM education, and manual drafting workflows.
Many drafting and design students still use these tools every day alongside CAD software. Manual drafting remains an important part of learning layout fundamentals, geometry, spacing, proportion, and technical drawing techniques.
Choosing Better Drafting Instruments
One of the most common mistakes beginners make is buying an extremely cheap compass. Low-quality compasses often slip, wobble, or lose adjustment while drawing, which quickly becomes frustrating during classroom exercises and technical layouts. Many drafting instructors recommend spending a little more on a better compass because students tend to use them constantly throughout drafting and geometry courses.
Architecture and engineering students most commonly use drafting triangles, compasses, and parallel bars during manual drafting exercises. Many drafting kits include these core tools along with scales, pencils, and drafting media needed for classroom work.
A quality parallel bar is also one of the few drafting tools many professionals keep for decades. Even as software has changed over the years, a good parallel bar still provides a fast, reliable drawing surface for sketching, layouts, and technical drawing by hand.
Still Used Alongside CAD
Even in CAD-heavy classrooms and design offices, drafting instruments are still widely used for concept sketching, geometry instruction, manual layout work, presentation drawings, fabrication planning, and learning core drafting principles. Many designers and architects still find it faster to sketch ideas by hand before moving into software.
Frequently Asked Questions
What are drafting instruments?
Drafting instruments are hand tools used for technical drawing and precision layout work. They help create accurate circles, angles, curves, spacing, and measured lines for drafting, engineering, architecture, geometry, and design applications.
What drafting instruments do architecture students use most?
Architecture students commonly use drafting triangles, compasses, and parallel bars during manual drafting exercises and technical drawing classes. Many drafting kits also include scales, pencils, and drafting paper needed for coursework.
Are drafting instruments still used today?
Yes. Drafting instruments are still widely used for STEM education, concept sketching, geometry instruction, fabrication layouts, overlays, and manual drafting workflows.
Complete Your Drafting Workspace
Pair drafting instruments with related drafting tools and drawing supplies to create a complete technical drawing and design workspace.
Shop Drafting Templates | Shop Drafting Pencils & Leads | Shop Ruling & Measuring Tools | Shop Technical Pens | Shop Drafting Paper | Shop Drafting Boards |
