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A collection of various aluminum triangular scale rulers with different markings laid out on a white grid background.
A collection of aluminum triangular scale rulers in red, orange, and green placed on a white grid surface.
A collection of colorful aluminium triangular scale rulers laid on a white grid paper next to a small green cactus.
A collection of colored aluminium triangular scale rulers laid out on a white grid background.
A close-up of an aluminium triangular scale ruler used for precision marking in drafting and crafts.
A close-up of an aluminium triangular scale ruler next to a black pen on a white surface.
A drawing in a notebook showing a right triangle labeled A, B, and an angle, measured with a metal ruler.
A close-up of an aluminium triangular scale ruler marked with measurements on a lined paper.
A close-up of an aluminium triangular scale ruler and a black pen resting on a sheet of paper.
A green aluminium triangular scale ruler marked with measurements up to 15cm and various ratios.
A black aluminum triangular scale ruler marked with a 15 cm measurement.
A metal triangular scale ruler showing various magnification ratios like 1:100 to 1:600 for precision marking.
A red aluminium triangular scale ruler marked in centimeters, showing various scale ratios.
A yellow aluminium triangular scale ruler marked in various scales, showing a 15cm measurement.
A yellow aluminium triangular scale ruler showing markings up to 15cm.
A green aluminium triangular scale ruler marked in centimeters and millimeters.
A red aluminium triangular scale ruler marked in centimeters, showing a 15cm length.
A close-up view of a red aluminium triangular scale ruler marked in centimeters and various ratios.
A blue aluminium triangular scale ruler showing various ratios like 1:100 and 1:125 markings.
A black aluminum triangular scale ruler marked with measurements up to 30 cm.
A blue aluminium triangular scale ruler marked in centimeters and various scales.
A blue aluminum triangular scale ruler marked with measurements up to 15cm and various scale ratios.
A silver aluminium triangular scale ruler showing various magnification ratios like 1:20, 1:25, 1:50, 1:75, 1:100, and 1:150.
A black aluminum triangular scale ruler marked with various ratios like 1:20, 1:25, 1:50, 1:75, 1:100, and 1:125, measuring 3
A black aluminum triangular scale ruler marked with various scales including 1:100 to 1:600.
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Aluminium Triangular Scale Ruler – Precision Marking for Drafting & Crafts

Regular price $17.99 Sale price $14.99 – $30.99

Why customers love it

Measure, Mark, and Cut with Confidence

This aluminium triangular scale ruler brings precise measurements and safe cutting to drafting, technical drawing, and craft projects—all in one lightweight, easy-to-spot tool.

  • High-quality aluminium body is lightweight yet sturdy
  • Triangular shape for multiple scale markings (1:20 to 1:600)
  • Raised edge and finger groove ensure safe, accurate cutting
  • Colorful anodized finish prevents glare and is easy to spot
  • Markings are etched for long-lasting clarity
A collection of various aluminum triangular scale rulers with different markings laid out on a white grid background.

Built for Precision and Everyday Use

Lightweight Yet Sturdy

The high-quality aluminium body is lightweight yet sturdy, so it feels balanced in hand without adding bulk to your workspace.

Multiple Scales in One

The triangular shape gives you multiple scale markings from 1:20 to 1:600, so one tool covers a wide range of drafting needs.

Safe, Accurate Cutting

A raised edge and finger groove keep your fingers clear of the blade, supporting safe, accurate cutting with knives or rotary blades.

Glare-Free and Easy to Spot

The colorful anodized finish prevents glare and makes the ruler easy to spot on a busy desk, while etched markings stay clear for the long haul.

Specs

The details that matter

Built to last outdoors, season after season.

Material
Aluminium
Length
15cm, 30cm
Scale
1:20 to 1:600
Shape
Triangular
Finish
Anodized

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 lengths is the aluminium triangular scale ruler available in?

The ruler is available in 15cm and 30cm lengths, so you can pick the size that best fits your drafting or craft projects.

What scale markings does the ruler offer?

The triangular shape provides multiple scale markings ranging from 1:20 to 1:600, letting you work across different drawing scales with a single tool.

What material is the ruler made from?

The body is made from high-quality aluminium, which keeps it lightweight yet sturdy for reliable everyday use.

Is the ruler safe to use for cutting tasks?

Yes, the raised edge and finger groove are designed to keep your fingers clear of the blade, supporting safe and accurate cutting with knives or rotary blades.

Will the scale markings wear off quickly?

The markings are etched into the surface, which helps them stay clear and legible even with regular use over time.

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.

Shipping policyReturn & refund policy

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