---
product_id: 473379077
title: "Mr. Pen - Metric Engineering and Architectural Scale Ruler, Aluminum Architect Scale (Metric), Triangular Scale, Scale Ruler for Blueprint, Triangle Ruler, Drafting Ruler, Engineering Scale"
brand: "mr. pen"
price: "KSh3017"
currency: KES
in_stock: false
reviews_count: 5
url: https://www.desertcart.co.ke/products/473379077-mr-pen-metric-engineering-and-architectural-scale-ruler-aluminum-architect
store_origin: KE
region: Kenya
---

# 30cm precision length color-coded quick scale selection laser-etched durable markings Mr. Pen - Metric Engineering and Architectural Scale Ruler, Aluminum Architect Scale (Metric), Triangular Scale, Scale Ruler for Blueprint, Triangle Ruler, Drafting Ruler, Engineering Scale

**Brand:** mr. pen
**Price:** KSh3017
**Availability:** ❌ Out of Stock

## Summary

> 📐 Draft like a pro, measure like a boss!

## Quick Answers

- **What is this?** Mr. Pen - Metric Engineering and Architectural Scale Ruler, Aluminum Architect Scale (Metric), Triangular Scale, Scale Ruler for Blueprint, Triangle Ruler, Drafting Ruler, Engineering Scale by mr. pen
- **How much does it cost?** KSh3017 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.ke](https://www.desertcart.co.ke/products/473379077-mr-pen-metric-engineering-and-architectural-scale-ruler-aluminum-architect)

## Best For

- mr. pen enthusiasts

## Why This Product

- Trusted mr. pen brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Lightweight Yet Sturdy:** At just 100g, this ruler balances portability with robust construction for daily use on the go.
- • **Built to Outlast Projects:** Laser-cut, scratch-proof markings guarantee your measurements stay sharp and reliable over time.
- • **Effortless Scale Switching:** Color-coded triangular design lets you instantly pick the right metric scale without missing a beat.
- • **Engineered for Professionals:** Ideal for architects, engineers, and designers who demand accuracy in floor plans and orthographic projections.
- • **Precision in Every Millimeter:** 30cm high-impact aluminum body ensures lasting durability and exact measurements for your blueprints.

## Overview

The Mr. Pen Metric Engineering and Architectural Scale Ruler is a 30cm triangular aluminum tool designed for precision drafting. Featuring color-coded metric scales from 1:20 to 1:125 and laser-etched markings that resist wear, it offers professionals and students a durable, easy-to-use solution for accurate architectural and engineering measurements.

## Description

Mr. Pen- Triangular Scale Is Designed To Equip Architects, Engineers, Artists, Designers, Students, Teacher With The Right Tools For Their Various Projects.The Package Includes:30cm Metric Engineer / Architect Scale:Made From High Impact Aluminum To Last ForeverLaser Cut Prints For Accuracy And Durability. The Prints Will Not Wipe Or Scratch OffMetric Scale: 1:20, 1:25, 1:50, 1:75, 1:100, 1:125Designed To Facilitate The Drafting And Measuring Of Architectural Drawings, Such As Floor Plans, Blue Prints, And Orthographic ProjectionsColor Coded Triangular Scale For Easy And Quick Selection Of The Desired Scale

Review: Well-made. Smooth surfaces with accurate and easy to read scales.
Review: excellent product

## Features

- 30cm METRIC Engineer / Architect Scale Designed To Facilitate The Drafting And Measuring Of Architectural Drawings, Such As Floor Plans, Blue Prints, And Orthographic Projections
- Triangular Ruler Made From High Impact Aluminum, Build To Last
- Architect Ruler With Durable Laser Cut Imperial Prints For Accuracy. They Will Not Wipe Or Scratch Off Ever
- Color Coded Triangular Scale For Easy And Quick Selection Of The Desired Scale
- METRIC Scale: 1:20, 1:25, 1:50, 1:75, 1:100, 1:125

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07DNKNLSJ |
| Brand | Mr. Pen |
| Colour | blue |
| Customer Reviews | 4.6 4.6 out of 5 stars (562) |
| Date First Available | 13 Jun. 2018 |
| Item Weight | 100 g |
| Manufacturer | Mr. Pen |
| Manufacturer Part Number | SE01 |
| Material Type | Aluminium |
| Product Dimensions | 30 x 8.6 x 0.1 cm; 100 g |

## Product Details

- **Brand:** Mr. Pen
- **Colour:** blue
- **Material:** Aluminium
- **Style:** Triangular
- **UPC:** 853126008197

## Images

![Mr. Pen - Metric Engineering and Architectural Scale Ruler, Aluminum Architect Scale (Metric), Triangular Scale, Scale Ruler for Blueprint, Triangle Ruler, Drafting Ruler, Engineering Scale - Image 1](https://m.media-amazon.com/images/I/71TC2xDSR8L.jpg)
![Mr. Pen - Metric Engineering and Architectural Scale Ruler, Aluminum Architect Scale (Metric), Triangular Scale, Scale Ruler for Blueprint, Triangle Ruler, Drafting Ruler, Engineering Scale - Image 2](https://m.media-amazon.com/images/I/71o5e1uvbQL.jpg)
![Mr. Pen - Metric Engineering and Architectural Scale Ruler, Aluminum Architect Scale (Metric), Triangular Scale, Scale Ruler for Blueprint, Triangle Ruler, Drafting Ruler, Engineering Scale - Image 3](https://m.media-amazon.com/images/I/81PsPZekHjL.jpg)
![Mr. Pen - Metric Engineering and Architectural Scale Ruler, Aluminum Architect Scale (Metric), Triangular Scale, Scale Ruler for Blueprint, Triangle Ruler, Drafting Ruler, Engineering Scale - Image 4](https://m.media-amazon.com/images/I/81d5GIrq5xL.jpg)
![Mr. Pen - Metric Engineering and Architectural Scale Ruler, Aluminum Architect Scale (Metric), Triangular Scale, Scale Ruler for Blueprint, Triangle Ruler, Drafting Ruler, Engineering Scale - Image 5](https://m.media-amazon.com/images/I/911JChkzA5L.jpg)

## Questions & Answers

**Q: Do markings stay on this ruler?**
A: It seems your mileage may vary.  Some people say they received a ruled with etched/engraved markings.  I just received one of these and the markings are just printed on top of the aluminum - they are not etched could come off.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by A***. on 13 April 2025*

Well-made. Smooth surfaces with accurate and easy to read scales.

### ⭐⭐⭐⭐⭐ Review
*by M***E on 9 November 2025*

excellent product

### ⭐⭐⭐⭐⭐ Review
*by D***C on 13 January 2025*

This is by far my favorite scale ruler, much better than the plastic ones I have purchased in the past. 10/10 would buy again.

## Frequently Bought Together

- Partyreal CA11755
- Staedtler 12-Inches Engineers Triangular Scale (98718-34BK)
- Mr. Pen Architectural Scale Ruler, 12 Inch, White, Contractor's Scaling Ruler, Drawing & Drafting Tool

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**Shop now:** [https://www.desertcart.co.ke/products/473379077-mr-pen-metric-engineering-and-architectural-scale-ruler-aluminum-architect](https://www.desertcart.co.ke/products/473379077-mr-pen-metric-engineering-and-architectural-scale-ruler-aluminum-architect)

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*Product available on Desertcart Kenya*
*Store origin: KE*
*Last updated: 2026-03-20*