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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24" Hip Curve
Alvin Drafting$19.65This Hip Curve ruler boasts sharp, wear-resistant graduations for easy readability in both English and metric measurements. Designed for architects, engineers, and mechanical draftsmen, it's suitable for students, hobbyists, and professionals. Crafted... -
24" Irregular French Curve
Alvin Drafting$23.60Introducing the Alvin Drafting 24" Aluminum French Curve Ruler, a versatile tool perfect for drawing, planning, and designing tasks in various fields including drafting and architecture. Its user-friendly design features sharp graduations that are... -
3" Triangle Stainless Steel Ruler
Alvin Drafting$6.10Made of durable stainless steel with etched inch graduations, this drafting triangle ruler is ideal for hobby and craft projects, drawing, drafting, and more. Its high strength and hardness make it perfect for woodworking, ensuring long-lasting use. The... -
3-Piece French Curve Set
Alvin Drafting$9.20Features: French curves molded of green-tinted 0.09" thick styrene plasticGreat for individual or classroom useContains French Curve sizes: 5.5", 6.5", and 12.5"Packaged in a convenient, reusable storage pouch -
3-Piece French Curve Set-1764364414
Pacific Arc$3.60Collegiate French Curve Set represents the best value in student French curve sets. Curves have smooth edges with inking lifts and are packed in a reusable sleeve.Small French Curve dimension: 5.3" x 2.9" x .12"Medium French Curve dimension: 6.6" x 3.1"... -
4-3/4" Academic Bow Pencil Compass
Alvin & Co.$12.50Hoop spring tension pencil compass creates circles up to 4" in diameter.Features: Fast center wheel adjustment Built-in spindle stop to prevent over extension Matte nickel finish that resists stains and tarnishing Create circles up to 4" in... -
4.5" Small Bow Compass
Pacific Arc$5.95The Pacific Arc 4.5” Small Spring Bow Compass is a professional-quality drafting tool designed for precision and durability. Built with a true steel hoop structure, this compass delivers long-lasting performance for students, architects, engineers, and... -
5" Bow Compass/Divider
Alvin Drafting$8.40Create precise circles up to 8 inches in diameter with this durable metal drawing tool, perfect for geometry, drafting, and engineering. Its compact 5-inch design is portable and easy to use, featuring a center wheel mechanism for smooth, accurate... -
5.5" Scholastic Divider
Alvin Drafting$9.20This divider is exactly what an artists, student, crafter, or hobbyist needs. It can be used as a basic drafting instrument for both projects and artwork.Features: 5.5" friction dividerFixed needle pointsMatte nickel finish resists stains and... -
6 Piece Ship Curve Set
Alvin Drafting$29.70This fabricated ship curve set is a must-have for any draftsman, engineer, architect and professional for drawing irregular curves. The set includes six different ship curves. The plastic thickness is 0.08 inch. Alvin has been a trusted name in drafting... -
6" Academic Divider
Alvin Drafting$12.40The Alvin Drafting 6" inch academic friction divider with self centering gearhead design with replaceable needle points is perfectly useful for all levels, whether for geometry class, drafting, architectural design, construction, or engineering... -
6" Compass Extension Bar
Pacific Arc$4.90Enhance your drafting compass experience by adding an extension bar to create bigger circles.For use with Pacific Arc compasses -
6" Friction Divider with Double Break Leg
Pacific Arc$8.00Easily measures, transfer measurements, or mark off specific distances. Accurately transfer measurements on most project surfaces.Features: Telescoping leg extends to max 11.5" radiusJoint leg can attach to universal adaptor (sold separately)Replaceable... -
6" Introductory Bow Compass/Divider
Alvin Drafting$12.00This compass is exactly what an artists, student, crafter, or hobbyist needs. It can be used as a basic drafting or drawing instrument for both projects and artwork. Made in Germany from matte silver zinc and durable fiberglass, and comes with... -
6" Master Bow Traditional Compass
Alvin Drafting$15.80Alvin Drafting compasses are made with German precision engineering that allows for the precise and consistent drawing of radii. Made from quality materials such as zinc alloy, ALVIN drafting compasses are sure to last the test of time... -
6" Press Button Quick Action Compass
Pacific Arc$14.60Professional quality Speed Bow Compass adjusts two ways: press the buttons on the legs for extremely fast adjustment or use the center wheel for fine adjustment.QSB-810C features our signature 6" QSB-series compass with universal adaptor and spare parts... -
6" Professional Speed-Bow Compass Beam Bar Set
Alvin Drafting$21.20This compass is made from zinc alloy with a matte chrome finish. Sturdy push button mechanism allows for quick adjustments, while the red spindle can be used for more finite adjustments. Features: Double break leg designCreate circles up to 12" in... -
6" Quick-Action Compass & Divider Set
Pacific Arc$19.20Professional quality Speed Bow Compass adjusts two ways: press the buttons on the legs for extremely fast adjustment or use the center wheel for fine adjustment.QSB-810CEX features our signature 6" QSB-series compass with beam, universal adaptor and... -
6" Ruler & Geometry Set
Art Alternatives$5.10Perfect for students and professionals alike, this geometry set contains a 180° protractor, 45° and 60° triangles and a 6" ruler. The rulers and triangles all have inch and centimeter calibrations for all your measuring needs, and have a clear... -
6" Stainless Steel Equal Spacing Divider
Pacific Arc$45.50Equal Spacing Dividers are constructed from highest quality stainless steel for years of trouble-free service. Used in form design, model development, textile design, etc., the 11 points create ten equal spaces.Features: Plots 11 equally spaced points...
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 |
