This tool simplifies the 'Quilt As You Go' method, allowing for effortless positioning of the central design. Its transparent nature ensures precise placement of patterns, making intricate cuts straightforward. Plus, it's compatible with rotary cutters. Inside rectangle is 3" x 6" and the inside square is 3" x 6" Laser cut from clear 1/4" acrylic sheet. Combine them in sequences to craft a beautiful quilt.