Shop professional drafting instruments including drafting triangles, compasses, dividers, beam compasses, proportional dividers, pantographs, irregular curves, and precision geometry tools for technical drawing, engineering, architecture, design, and STEM education applications.
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Scholastic Compass
Art Alternatives$2.40Draw accurate circles and angles with this durable, reliable compass. With both inch and metric markings, this compass is perfect for school, office, home and workshop use.Features:Metal constructionInch and metric markingsDraws circles up to 12" in... -
Scholastic Fluorescent Triangles - Inking Edge
Pacific Arc$2.00 - $8.95The Fluorescent Scholastic Triangle is a durable and versatile tool designed for both students and professionals. Made from 0.08” thick polystyrene, this drafting triangle features a precision inking edge that ensures clean, smudge-free lines, making it... -
Scholastic Triangle Set
Pacific Arc$2.60 - $4.80One of the best value triangles on the market! Designed specifically for students, crafters, and professionals on a budget.Available in: 8", 10", 12"Features: Set of two triangles. 1 each 30/60 & 45/90 degree trianglesIncludes reusable caseInch/Metric... -
School Math Kit
Staedtler$11.30Unique flip storage case with Staedtler quality instruments! Set Includes: Metal DividerMetal Compass with Universal AdaptorWhite Latex-Free EraserWood Pencil6" Protractor6" Ruler45 Degree Triangle30/60 Degree TrianglePencil SharpenerPlastic Flip... -
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Speed Bow Introductory Compass with Beam Bar
Alvin Drafting$21.90Synchronized precision scissor-action thread system opens or closes legs to desired radius in one quick motion. Perfectly balanced and weighted for easy one-hand operation. Features: Creates circles up to 12" in diameterBeam bar extension for drawing... -
Speed Bow Introductory Set
Alvin & Co.$15.506½" compass with smooth-action rapid adjustment durable cast zinc construction and black fiberglass crown and reinforcements. Features double knee joints for parallel leg positioning and precise drawing of large radii. Creates circles up to 12" diameter... -
Speed-Set Beam Compass
Alvin Drafting$40.00The Alvin Beam Compass Comes with two 13-inch non-graduated beam bars and includes spare leads and needlepoint, is also complete with interchangeable ruling pen, pencil, and divider legs. This beam compass is conveniently packaged and... -
Speed-Set Beam Compass
Pacific Arc$39.70Made in Germany using the finest materials and proven manufacturing techniques, the beam compass allows the user to draw circles up to 48” in diameter. Each beam compass set includes two beam bars, one coupling, ruling pen, pencil, divider legs, spare... -
Spring-Bow Compass Set
Pacific Arc$32.20Traditional Spring Bow compass features a true steel hoop for longevity and reliability. Features center wheel for fine adjustments.Features: 6.5" spring bow compass that features a double break leg6" Divider6" Beam Extension Bar4.5" Bow Compass(2)... -
Student Math Set
Staedtler$5.90Staedtler Mars Student Math Set in zippered pouch.Contains: Compass with blunt safety point and inch/metric measuring scale 6" 180 degree protractor Pencil Sharpener Eraser Zippered Pouch This item is available in Assorted Colors. We... -
Super Math Set
Staedtler$23.70The Staedtler Super Math Set contains all the essential tools a student needs for math, architecture, and engineering courses.Contains: 6" Compass with adaptorExtension barTube of compass lead0.7mm Mechanical PencilEraser180 degree protractor12"... -
Topaz Triangles - Inking Edge
Pacific Arc$3.40 - $48.35The Pacific Arc inking edge triangles are made of molded 0.08" thick acrylic and feature a transparent non-glare smoke tint for easy visibility.Features: 30º/60º and 45º/90º trianglesAvailable in multiple sizes ranging from 4" to... -
Tru-Angle Adjustable Triangle - Straight Edge
Alvin Drafting$21.90 - $37.05The Alvin Drafting Tru-Angle Adjustable Triangle combines the features of a 45°/90° adjustable triangle with those of a protractor, allowing you to draw angles from 0° to 90° with ½° accuracy. It boasts die-engraved graduations for professional... -
Truflex II Flexible Curves
Alvin Drafting$9.60 - $23.90This lightweight aluminum Flexible Curve Rule is easy to shape and holds any curve firmly for accurate drawings and is made from premium materials that won't warp over time for long-lasting reliability and use. Features: Available in lengths from 12"... -
Universal Adaptor
Pacific Arc$5.90An adaptor for accurate mounting of all writing and drawing instruments to a compass. -
Universal Compass Adaptor
Pacific Arc$1.80Universal Adaptor fits all size compasses and accepts almost any writing instrument. 3.4mm OR 4.0mm shaft -
Wood Pantograph
Alvin Drafting$37.40 - $47.70Unlock the power to create enlarged or reduced drawings up to 10x scale with the Alvin Wood Pantograph. Crafted with arms from seasoned hardwood and chromed steel hardware, it ensures durability and precision. Complete with a table clamp and four spare...
Types of Drafting Instruments
Drafting instruments are precision drawing tools used to create accurate lines, angles, curves, circles, proportional layouts, and technical drawings. These instruments remain essential for engineering, architecture, industrial design, STEM education, geometry instruction, fabrication layouts, and manual drafting workflows where precision and repeatability are critical.
- Drafting Triangles: Create accurate verticals, angles, and parallel lines for technical drawing and layout work
- Adjustable Triangles: Support variable-angle drafting, engineering layouts, and precision drawing applications
- Drawing Compasses: Draw precise circles and arcs for drafting, geometry, engineering, and design work
- Beam Compasses: Create large-radius circles and oversized arcs used in architectural and engineering layouts
- Dividers: Transfer measurements, divide spaces, and step off equal distances in technical drawings and layouts
- Equal Spacing & Proportional Dividers: Scale drawings, enlarge artwork, reduce layouts, and maintain proportional measurements
- Pantographs: Enlarge, reduce, and duplicate drawings while maintaining accurate proportions and geometry
- Irregular Curves: Create smooth non-circular curves, contours, and transitions for drafting and design applications
- Math & Geometry Instrument Sets: Combine compasses, rulers, dividers, protractors, and geometry tools for classroom and technical use
- Compass Parts & Accessories: Maintain drafting instruments with replacement leads, points, adapters, and extension bars
Why Drafting Instruments Still Matter
Even in modern CAD and digital design environments, drafting instruments remain valuable for concept sketching, classroom instruction, field work, geometry education, fabrication planning, overlays, and manual drafting workflows. Many architects, engineers, designers, and students still rely on traditional drafting instruments for learning core drafting principles and developing precise technical drawing skills.
Professional drafting instruments are designed for repeatable accuracy, smooth operation, and long-term reliability. High-quality compasses, triangles, dividers, and proportional tools help improve drawing precision while reducing layout errors in technical and engineering applications.
Choosing the Right Drafting Instruments
When selecting drafting instruments, consider the type of drawing work being performed, the scale of the project, and the level of precision required. Geometry and classroom sets work well for education and general drafting, while professional compasses, beam compasses, proportional dividers, and pantographs support more advanced engineering, fabrication, and design applications.
Frequently Asked Questions
What are drafting instruments?
Drafting instruments are precision drawing tools used to create accurate lines, circles, angles, curves, and scaled technical drawings for engineering, architecture, design, and geometry applications.
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.
What drafting instruments do architects and engineers use?
Common drafting instruments include compasses, drafting triangles, dividers, proportional dividers, scales, irregular curves, and beam compasses.
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 | Shop Drafting Parallel Bars
