--- product_id: 13274723 title: "Omnigrid 4-1/2\" x 4-1/2\" Square Quilting and Sewing Ruler" brand: "omnigrid" price: "£7.20" currency: GBP in_stock: true reviews_count: 13 category: "Omnigrid" url: https://www.desertcart.co.uk/products/13274723-omnigrid-4-1-2-x-4-1-2-square-quilting store_origin: GB region: United Kingdom --- # clear acrylic for perfect fabric visibility 4.5" x 4.5" precision size 1/8" grid for ultra-fine accuracy Omnigrid 4-1/2" x 4-1/2" Square Quilting and Sewing Ruler **Brand:** omnigrid **Price:** £7.20 **Availability:** ✅ In Stock ## Summary > 📐 Elevate your quilting game—measure, cut, and conquer with Omnigrid precision! ## 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?** £7.20 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/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 - • **Bias Marking Magic:** Easily create perfect mitered edges with integrated bias lines. - • **Crystal Clear View:** Transparent acrylic lets you align patterns and fabric with zero guesswork. - • **Precision Perfected:** Cut and square quilt blocks up to 4.5" with razor-sharp accuracy. - • **Seam Allowance Ready:** Extra 1/2" width built-in for flawless seam allowances every time. - • **Travel-Friendly Tool:** Lightweight and compact—your quilting sidekick on the go. ## Overview The Omnigrid 4-1/2" x 4-1/2" Square Quilting and Sewing Ruler is a top-rated acrylic tool designed for quilters and sewists. Featuring a 1/8" grid and an extra 1/2" width for seam allowances, it ensures precise cutting and squaring of blocks up to 4.5". Its clear design offers excellent fabric visibility, while bias markings aid in perfect mitered edges. Lightweight and durable, it’s a must-have for both studio and travel use. ## 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: Good quality - Good weight and perfect for classic 9.5 inch squares 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. ## 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 | #2,971 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #3 in Quilting Rulers & Ruler Racks | | Brand Name | Omnigrid | | Color | Clear | | Customer Reviews | 4.9 4.9 out of 5 stars (4,813) | | Global Trade Identification Number | 00762511100456 | | Graduation Range | 1/8 Inches | | Item Dimensions L x W | 4.5"L x 4.5"W | | Item Type Name | Quilting Rulers | | Item Weight | 0.1 Pounds | | Manufacturer | Prym Consumer | | Material Type | Acrylic | | Model | R45G | | Part Number | R45G | | Style Name | Square | | UPC | 762511100456 | | Unit Count | 1.0 Count | ## 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/919IPE5yckL.jpg) ![Omnigrid 4-1/2" x 4-1/2" Square Quilting and Sewing Ruler - Image 2](https://m.media-amazon.com/images/I/71E-Cny3OJL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good quality *by D***K on March 19, 2026* Good weight and perfect for classic 9.5 inch squares ### ⭐⭐⭐⭐⭐ 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. ### ⭐⭐⭐⭐⭐ 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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/13274723-omnigrid-4-1-2-x-4-1-2-square-quilting](https://www.desertcart.co.uk/products/13274723-omnigrid-4-1-2-x-4-1-2-square-quilting) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-31*