---
product_id: 13274723
title: "Omnigrid 4-1/2\" x 4-1/2\" Square Quilting and Sewing Ruler"
brand: "omnigrid"
price: "R552"
currency: ZAR
in_stock: true
reviews_count: 13
url: https://www.desertcart.co.za/products/13274723-omnigrid-4-1-2-x-4-1-2-square-quilting
store_origin: ZA
region: South Africa
---

# 1/8" precision grid laser-cut edges for smooth cuts left & right-hand numbering Omnigrid 4-1/2" x 4-1/2" Square Quilting and Sewing Ruler

**Brand:** omnigrid
**Price:** R552
**Availability:** ✅ In Stock

## Summary

> 📐 Cut like a pro, sew with confidence — your quilting game just leveled up!

## Quick Answers

- **What is this?** Omnigrid 4-1/2" x 4-1/2" Square Quilting and Sewing Ruler by omnigrid
- **How much does it cost?** R552 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/13274723-omnigrid-4-1-2-x-4-1-2-square-quilting)

## Best For

- omnigrid enthusiasts

## Why This Product

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

## Key Features

- • **Seam Allowance Ready:** Extra 1/2" width built-in for perfect 1/4" seams every time
- • **Travel-Friendly Size:** Compact 4.5" square fits easily in your sewing kit for creativity on the go
- • **Durability Meets Clarity:** Heavy-duty acrylic with crystal-clear transparency for exact fabric alignment
- • **Precision at Every Angle:** Patented double-sight lines for flawless cuts on light & dark fabrics
- • **Bias Marking for Mitering:** Diagonal lines simplify complex quilting patterns with professional accuracy

## Overview

The Omnigrid 4-1/2" x 4-1/2" Square Quilting and Sewing Ruler features precise 1/8" grid markings, patented double-sight lines for visibility on all fabrics, and laser-cut edges for smooth, accurate cuts. Crafted from durable acrylic with left- and right-hand numbering, it’s designed for squaring blocks up to 4-1/2" and perfect for both beginners and pros seeking flawless quilting results.

## Description

The Omnigrid 4-1/2" x 4-1/2" ruler with 1/8" grid features an extra 1/2" width for seam allowances and is a great template for 4" finished blocks; it is used to cut and square blocks 4-1/2" and under, and to trim and square foundation piecing blocks.

Review: Great ruler for quilt projects - Omnigrid rulers are always so nice. The markings are clear and the edges are crisp. This is a great size ruler for squaring up blocks in quilting. I also love the bias marking for mitering.
Review: Good ruler for quilting and sewing - This has been a very good ruler for me to purchase because it is a great size. it's easy to see through .the marking is clearly visible. It is transparent so you can see designs and directions of the fabric. It's convenient to take with you if you travel to quilt or sew. It's a very good quality ruler. And it's a good value for the money I've had excellent cutting accuracy using this ruler so I highly recommend it

## Features

- In general, Omnigrid square rulers are used for secondary cutting of strips, and to square up finished quilt blocks
- Use with a rotary cutter or a straight-edge blade
- 1/8" grid markings for drafting and cutting
- Diagonal angle line
- Edge markings for accurate measuring
- Laser cut edges for smooth, deep cutting
- Patented double-sight lines that show up on light and dark fabrics
- Heavy-duty durable acrylic material
- Left- and right-hand numbering and angle system

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0001DUMEA |
| Best Sellers Rank | #3,305 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #3 in Quilting Rulers & Ruler Racks |
| Date First Available | April 21, 2004 |
| Department | Women |
| Is Discontinued By Manufacturer | No |
| Item Weight | 1.65 ounces |
| Item model number | R45G |
| Manufacturer | Prym Consumer |
| Product Dimensions | 4.5 x 4.5 x 0.13 inches |

## Product Details

- **Brand:** Omnigrid
- **Color:** Clear
- **Graduation Range:** 1/8 Inches
- **Material:** Acrylic
- **Style:** Square

## Images

![Omnigrid 4-1/2" x 4-1/2" Square Quilting and Sewing Ruler - Image 1](https://m.media-amazon.com/images/I/31YDDbl7n+L.jpg)
![Omnigrid 4-1/2" x 4-1/2" Square Quilting and Sewing Ruler - Image 2](https://m.media-amazon.com/images/I/61rE54FSvhL.jpg)
![Omnigrid 4-1/2" x 4-1/2" Square Quilting and Sewing Ruler - Image 3](https://m.media-amazon.com/images/I/71E-Cny3OJL.jpg)
![Omnigrid 4-1/2" x 4-1/2" Square Quilting and Sewing Ruler - Image 4](https://m.media-amazon.com/images/I/919IPE5yckL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great ruler for quilt projects
*by M***R on January 8, 2026*

Omnigrid rulers are always so nice. The markings are clear and the edges are crisp. This is a great size ruler for squaring up blocks in quilting. I also love the bias marking for mitering.

### ⭐⭐⭐⭐⭐ Good ruler for quilting and sewing
*by B***M on April 18, 2025*

This has been a very good ruler for me to purchase because it is a great size. it's easy to see through .the marking is clearly visible. It is transparent so you can see designs and directions of the fabric. It's convenient to take with you if you travel to quilt or sew. It's a very good quality ruler. And it's a good value for the money I've had excellent cutting accuracy using this ruler so I highly recommend it

### ⭐⭐⭐⭐⭐ A great quilting ruler
*by C***E on December 21, 2025*

So glad of the timely delivery as I was making a T-shirt quilt and needed this size ruler. This is one of my favorite product lines for quilting rulers as they are so accurate and the lines are easy to read. They last forever.

## Frequently Bought Together

- Omnigrid 4-1/2" x 4-1/2" Square Quilting and Sewing Ruler
- Omnigrid 5-1/2-Inch by 5-1/2-Inch Non-Slip Quilter's Ruler
- Omnigrip by Omnigrid Non-Slip Ruler, 5" Square

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**Shop now:** [https://www.desertcart.co.za/products/13274723-omnigrid-4-1-2-x-4-1-2-square-quilting](https://www.desertcart.co.za/products/13274723-omnigrid-4-1-2-x-4-1-2-square-quilting)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-01-31*