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A set of professional drawing tools including a multi-purpose rolling ruler, various scales, and drafting instruments.
A collection of professional drawing tools including a wooden scale ruler, a pencil, and various drafting rulers on white pap
A set of precision triangular scale rulers showing various scales like 1:100, 1:250, and 1:500.
A precision triangular scale ruler is shown next to architectural blueprints and a measuring tape.
A DEZI multifunctional 6 scales triangular ruler showing various measurement scales.
A clear plastic triangular scale ruler used for drafting and measuring
A close-up view of a precision triangular scale ruler showing markings and scale ratio.
Butterfly fan-shaped scale ruler showing various scales and measurements.
A hand holds a white precision triangular scale ruler against a dark background with drafting paper.
A black leather jacket is shown next to a precision triangular scale ruler with markings and a logo.
A plastic ruler marked for scale ratios from 1:100 to 1:500, with a length of 30cm.
Silver small-scale triangular ruler measuring 30cm with markings up to 5m
Golden small-scale triangular ruler with markings and a 1:150 scale reference.
A plastic-white sector scale ruler with various magnification levels and a black handle.
Golden large precision triangular scale ruler with a sector scale and a black measuring tool.
Silver precision triangular scale ruler with various magnification scales and a sector scale component
Silver large-scale triangular ruler with a 30cm length and various scale markings.
A black precision triangular scale ruler with an X3 sector scale marked on the transparent drafting ruler.
Black precision triangular scale ruler with a 30cm length shown next to a metric scale.
A set of precision triangular scale rulers in various magnification ratios, including 1:50 to 1:150.
Black precision triangular scale ruler with various magnification ratios shown in close-up
Black precision triangular scale ruler with various magnification scales and a sector scale
Golden precision triangular scale ruler showing various magnification ratios from 1:150 to 1:1500
Black small-scale triangular ruler with a 30cm length shown against a scale.
White small-scale plastic ruler with markings and a 30cm length.
Golden large-scale triangular ruler with a 30cm length and markings up to 1:1500
Silver precision triangular scale ruler showing various magnification ratios like 1:500 and 1:150
An angle parallel ruler measuring 15cm plus 30cm for drafting and precision measurements.
Three 30cm-angle parallel rulers used for drafting and measuring
Three 15cm-angle parallel rulers used for precision drafting and measurement.
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Precision Triangular Scale Ruler for Drafting

Regular price €16,99 Sale price €13,99 – €31,99

Why customers love it

Achieve flawless precision in every drawing

Elevate your technical projects with our precision triangular scale ruler, designed for engineers, architects, and students who demand accuracy.

  • Highly accurate measurements for critical projects
  • Constructed from durable metal and plastic materials
  • Versatile scaling for various drawing requirements (1:20 to 1:500)
  • Ideal for detailed technical drawings and model making
  • Reliable tool for educational and professional drafting
A set of professional drawing tools including a multi-purpose rolling ruler, various scales, and drafting instruments.

Why Choose Our Precision Rulers

Unmatched Accuracy

Ensure every measurement is precise for critical engineering tasks.

Built to Last

Durable construction ensures longevity across repeated use.

Versatile Scaling

Adapt seamlessly to different scale requirements on a single tool.

Ideal for Learning

Perfect for students and professionals needing reliable drafting tools.

Product Details

Key Specifications

What makes this ruler a professional tool.

Construction Material
Metal and Plastic
Applicable Scales
1:20 to 1:500
Intended Users
Engineers, Architects, Students
Key Feature
Multiple scale options on one tool

Precision vs. Generic Tools

The Difference in Drafting Tools

Why invest in precision over standard measuring tools.

Feature
SmartPicksDIY
Typical alternative
Accuracy Level
High Precision
Low/Standard Accuracy
Material Durability
Durable Metal/Plastic
Often Fragile Plastic Only
Versatility
Multiple Scale Options
Single Function Only
Application Focus
Technical Drawings/Models
General Household Use

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

Answers to common questions about the ruler.

Is this ruler suitable for complex architectural blueprints?

Yes, its versatility allows it to handle various scaling requirements necessary for detailed architectural and engineering drawings.

What is the difference between the various scale options?

The different variants offer distinct scales, such as 1:20 or 1:500, allowing you to select the exact precision needed for your current project.

Is the metal construction safe for use in sensitive environments?

The materials are chosen for durability and accuracy in drafting, but users should ensure they are handled with care as with any precision instrument.

Can I use this ruler for non-drafting hobby projects?

While highly accurate, it is primarily designed for technical drafting. For general hobby use, simpler measuring tools might suffice.

Shipping & returns

Shipping

  • Delivers to Germany (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.