Four Patch Square Up — Deb Tucker / Studio 180 Design Achieve perfectly sized four‑patch units every time with the Four Patch Square Up ruler from Deb Tucker’s Studio 180 Design. This clever trim‑down tool lets you sew your units slightly oversized, then square them up with precision—giving you crisp intersections, balanced seams, and beautifully accurate blocks. The ruler’s clear diagonal lines and easy‑to‑read markings make trimming fast, intuitive, and consistent. Whether you’re creating traditional four‑patch blocks, complex layouts, or scrappy designs, this ruler ensures every unit finishes exactly the size you need. Ideal for beginners who want reliable accuracy and experienced quilters who value efficiency, the Four Patch Square Up is a must‑have addition to your Studio 180 toolkit. Features: Squares up four‑patch units in multiple sizes Oversize‑and‑trim method for perfect accuracy Clear diagonal guidelines for precise alignment Helps create crisp intersections and balanced seams Designed by Deb Tucker of Studio 180 Design Durable acrylic construction for long‑lasting use Perfect for samplers, scrappy quilts, traditional patterns, and any project featuring four‑patch units.