---
product_id: 256550067
title: "Mr. Pen - Architectural Scale Ruler, 12\" Aluminum Architect Scale, Triangular Scale, Scale Ruler for Blueprint, Triangle Ruler, Drafting Ruler, Architect Ruler, Metal Scale Ruler, Architecture Ruler"
brand: "mr. pen"
price: "€ 39.27"
currency: EUR
in_stock: true
reviews_count: 5
category: "Mr. Pen"
url: https://www.desertcart.es/products/256550067-mr-pen-architectural-scale-ruler-12-aluminum-architect-scale-triangular
store_origin: ES
region: Spain
---

# Color-coded scales for speed 12-inch precision length Triangular aluminum build Mr. Pen - Architectural Scale Ruler, 12" Aluminum Architect Scale, Triangular Scale, Scale Ruler for Blueprint, Triangle Ruler, Drafting Ruler, Architect Ruler, Metal Scale Ruler, Architecture Ruler

**Brand:** mr. pen
**Price:** € 39.27
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** Mr. Pen - Architectural Scale Ruler, 12" Aluminum Architect Scale, Triangular Scale, Scale Ruler for Blueprint, Triangle Ruler, Drafting Ruler, Architect Ruler, Metal Scale Ruler, Architecture Ruler by mr. pen
- **How much does it cost?** € 39.27 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/256550067-mr-pen-architectural-scale-ruler-12-aluminum-architect-scale-triangular)

## 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

- • **Built for the Bold:** High-impact aluminum construction delivers durability that stands up to daily use.
- • **Precision That Lasts:** Laser-etched imperial scales won’t fade or scratch, ensuring lifelong accuracy.
- • **Lightweight & Portable:** Sleek 12-inch ruler weighing just 100g fits perfectly in your toolkit or desk drawer.
- • **Speedy Scale Selection:** Color-coded triangular design lets you switch scales instantly—no more fumbling.
- • **Versatile Drafting Power:** Supports a wide range of imperial scales from 1/32 to 1-1/2 for all your blueprint needs.

## Overview

The Mr. Pen 12-inch Triangular Architect Scale Ruler is a durable, high-impact aluminum drafting tool featuring laser-cut, fade-resistant imperial scales and a color-coded design for quick scale selection. Ideal for architects, engineers, and designers, it supports multiple scales for precise blueprint and floor plan 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:12” Architect Triangular Scale:Made From High Impact Aluminum To Last ForeverLaser Cut Prints For Accuracy And Durability. The Prints Will Not Wipe Or Scratch OffImperial Scale: 1-1/2, 1, 3/4, 3/8, 3/16, 3/32, 1/2, 1/4, 1/8, 3, 16Designed 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: Perfectly fine
Review: It is not of aluminum... It is made of cheap plastic...

## Features

- 12inch Triangular 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
- Imperial Scale: 1 1/2, 1, 3/4, 3/8, 3/16, 3/32, 1/2, 1/4, 1/8, 3, 16

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07DNHCMS7 |
| Best Sellers Rank | #48,399 in Office Products ( See Top 100 in Office Products ) #257 in Rulers |
| Item model number | SA01 |
| Manufacturer | Mr. Pen |
| Product Dimensions | 30 x 30 x 0.1 cm; 100 g |

## Product Details

- **Brand:** Mr. Pen
- **Colour:** A. White
- **Graduation range:** 1/16 Inches
- **Material:** Aluminum
- **Style:** Compact

## Images

![Mr. Pen - Architectural Scale Ruler, 12" Aluminum Architect Scale, Triangular Scale, Scale Ruler for Blueprint, Triangle Ruler, Drafting Ruler, Architect Ruler, Metal Scale Ruler, Architecture Ruler - Image 1](https://m.media-amazon.com/images/I/51QYKGnAyvL.jpg)
![Mr. Pen - Architectural Scale Ruler, 12" Aluminum Architect Scale, Triangular Scale, Scale Ruler for Blueprint, Triangle Ruler, Drafting Ruler, Architect Ruler, Metal Scale Ruler, Architecture Ruler - Image 2](https://m.media-amazon.com/images/I/81ogMX1J8mL.jpg)
![Mr. Pen - Architectural Scale Ruler, 12" Aluminum Architect Scale, Triangular Scale, Scale Ruler for Blueprint, Triangle Ruler, Drafting Ruler, Architect Ruler, Metal Scale Ruler, Architecture Ruler - Image 3](https://m.media-amazon.com/images/I/710CU05QNVL.jpg)
![Mr. Pen - Architectural Scale Ruler, 12" Aluminum Architect Scale, Triangular Scale, Scale Ruler for Blueprint, Triangle Ruler, Drafting Ruler, Architect Ruler, Metal Scale Ruler, Architecture Ruler - Image 4](https://m.media-amazon.com/images/I/81zNEYKD7hL.jpg)
![Mr. Pen - Architectural Scale Ruler, 12" Aluminum Architect Scale, Triangular Scale, Scale Ruler for Blueprint, Triangle Ruler, Drafting Ruler, Architect Ruler, Metal Scale Ruler, Architecture Ruler - Image 5](https://m.media-amazon.com/images/I/81sxNQZHNCL.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: Can I use this I’m cm?**
A: No.  This scale is in fractions of an inch.

**Q: Will it measure 3/32**
A: Yes.  The scales for this ruler are: 1-1/2, 1, 3/4, 3/8, 3/16, 3/32, 1/2, 1/4, 1/8, 3, 16

**Q: Since most drawings I have ever used are 1/4” scale this scale does not have 1/4” which all of my scales I no longer have had 1/4”. Why?**
A: This scale has 1/4” = 1’-0”, along with most other architectural scales (1/8”, 1/2”, 3/4”, etc).

**Q: Centimeters scale included?**
A: No!

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by J***S on 16 December 2025*

Perfectly fine

### ⭐ Review
*by V***R on 8 September 2023*

It is not of aluminum... It is made of cheap plastic...

### ⭐⭐⭐⭐⭐ Review
*by V***A on 19 January 2026*

Really great tool to have. A little more affordable than in the office supply store.

## Frequently Bought Together

- Mr. Pen- Architectural Scale Ruler, Scale Ruler, 12 inch, White, Scale Ruler Contractor, Architect Scal, Scaling Ruler, Drawing Ruler, Architectural Ruler, Rulers for Drawing, Drafting Tools
- Mr. Pen- House Plan, Interior Design and Furniture Templates, Drafting Tools and Ruler Shapes for Architecture - Set of 3
- Mr. Pen- Small Architectural Scale Ruler, Aluminium, 6 Inch, 2 Pack, Green and Orange, Pocket Size Ruler, Triangle Ruler, Metal Ruler Set, Architect Scale Ruler for Blueprints

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*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-02-20*