Multiple scales, one tool
The triangular design gives you several proportional scales—from 1:20 to 1:600—on a single ruler, so you can switch between drafting and measuring tasks without swapping tools.
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Why customers love it
Precision meets style in a versatile aluminum scale ruler
This triangular scale ruler packs multiple measuring scales into one lightweight aluminum tool, ideal for students, artists, and crafters who need precise measurements and clean cuts.
- Triangular shape provides multiple measuring scales on one tool
- Includes large and small proportional scales, from 1:20 to 1:600
- Smooth, raised edges with a finger groove allow for safe and accurate cutting
- Made from lightweight yet durable aluminum for long-lasting use
- Available in vibrant colors to add a touch of style to your workspace
- Measures 15cm or 30cm for versatile use
Why you'll love it
Safe, accurate cutting
Smooth, raised edges with a finger groove keep your fingers clear of the blade, enabling precise cutting while reducing the risk of slips.
Lightweight yet durable
Crafted from aluminum alloy, this ruler is light enough for everyday carry yet sturdy enough to handle frequent use in school, studio, or home projects.
Style on your desk
Vibrant color options let you personalize your workspace, making this ruler as pleasant to look at as it is to use.
Specs
The details that matter
Built to last outdoors, season after season.
- Material
- Aluminum alloy
- Size
- 15cm, 30cm
- Scales
- 1:20 to 1:600
- Type
- Triangular scale ruler
Comparison
Why choose this triangular ruler?
Not all products in this category are built the same.
Feature
SmartPicksWorld
Typical alternative
Design
Triangular shape with multiple measuring scales on one tool
Flat ruler with a single measuring scale
Cutting edge
Smooth, raised edges with a finger groove for safe and accurate cutting
Standard flat edges without a finger groove
Material
Lightweight aluminum alloy
Plastic or basic metal
Our worry-free shopping promise
If your order arrives damaged, defective, or not as described, contact us within 14 days and we will make it right with a replacement or refund.
Frequently asked questions
Everything you might want to know before you order.
What materials is this ruler made from?
This ruler is made from lightweight yet durable aluminum alloy, ensuring long-lasting use without adding bulk to your toolkit.
What measuring scales does the triangular ruler include?
The ruler features large and small proportional scales ranging from 1:20 to 1:600, giving you a versatile range for various drafting and design tasks.
How does the finger groove improve cutting safety?
The smooth, raised edges with a finger groove keep your fingers positioned away from the cutting path, allowing for safe and accurate cutting.
What sizes are available for this ruler?
The ruler is available in two lengths—15cm and 30cm—so you can choose the size that best fits your measuring needs.
Is this ruler suitable for students and crafters?
Yes, its multi-scale design, safe cutting edge, and durable construction make it ideal for students, artists, and crafters working on school or home projects.
Shipping & returns
Shipping
- Delivers to United States (based on your selected country/region).
- Estimated delivery: 3–15 business days after dispatch.
- Shipping cost: Free.
Returns
You can request a return within 14 days after delivery. Standard returns have a €4.00 EUR (approximately $4.66 USD) flat-rate return shipping fee, deducted from your refund. Return shipping is free for items that arrived damaged, defective, or incorrect. Items should be unused and in original packaging where possible. Contact us before sending anything back.