
Westcott KT-90 Triangular Scale Ruler Set
Precision and Clarity for Your Drafting NeedsThe Westcott Triangular Scale set provides accurate measurements and clear visibility for artists, architects, and engineers. Made of transparent acrylic with beveled edges, these rulers are designed for smudge-free inking and easy use. Material:...
*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
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Overview
Precision and Clarity for Your Drafting Needs
The Westcott Triangular Scale set provides accurate measurements and clear visibility for artists, architects, and engineers. Made of transparent acrylic with beveled edges, these rulers are designed for smudge-free inking and easy use.
- Material: Plastic
- Color: Clear
- Includes: 6" Triangle (45/90 degree angles), 8" Triangle (30/60 degree angles)
- Features: Cut-out Center, Lightweight Design, Inch/Metric Calibrations, Inking Edge
Key Features
Two-Triangle Precision Set - Includes two triangle rulers for precise marking and line work, featuring 6-inch and 8-inch configurations with 45°/90° and 30°/60° angles to deliver crisp edges and dependable measurements, beveled edges resist smudges
Educational-Grade Precision - Ideal for classroom use, providing reliable marks for school use and degree accuracy, helping students and educators translate lessons into clear drawings and precise measurements
Angle Ruler and Drawing Tools - Provides a dedicated angle ruler and drawing tools combo to ensure consistent angles and clean lines, enabling quick drafting of complex layouts and accurate results across projects
Drafting-Ready Triangles - Engineered for drafting workflows and calibrated triangles to support precise layouts, this set delivers repeatable angles, stable edges, and reliable templates for designers and students
Right Angle Triangle Excellence - Built around a right angle triangle, this kit ensures consistent right angles and accurate geometry in every drawing, making alignment straightforward for any project involving a single, precise triangle
Specifications
Pros & Cons
👍 Pros
- This set includes two triangle rulers (6-inch and 8-inch) with 45°/90° and 30°/60° angles for comprehensive use.
- Beveled edges on the triangles help prevent smudges, ensuring cleaner line work.
- Designed for educational use, these rulers provide reliable marks and degree accuracy for students.
- The dedicated angle ruler and drawing tools combo ensures consistent angles and clean lines for drafting.
- Engineered for drafting workflows, the calibrated triangles support precise layouts and repeatable angles.
👎 Cons
- The set's focus on educational-grade precision might imply it is not designed for heavy-duty professional use.
- Limited to two specific triangle configurations, it may not cover all specialized geometric drawing needs.
- The rulers' material is not specified, so their long-term durability is not explicitly detailed.
- While designed to resist smudges, care is still required to maintain clean drawings.
- The feature set is basic, lacking advanced drawing aids like embedded protractors or compass guides.