The Creative Grids Square on Square Trim Tool is a precision acrylic ruler designed to help quilters create perfect square-in-a-square blocks. It trims each round of piecing before the next is added, ensuring accuracy and clean corners. This tool supports two finished block sizes: 3" and 6".

It features high-contrast black and white markings, ¼" seam guides, and Creative Grids’ exclusive non-slip grip. Ideal for traditional square-in-a-square blocks, economy blocks, and medallion centers.

What block sizes does this ruler support?

It trims square-in-a-square blocks to 3" or 6" finished sizes.

How does it improve accuracy?

You trim each round before adding the next, which keeps corners sharp and blocks square.

Is it beginner-friendly?

Yes. It’s designed to simplify square-in-a-square construction and reduce trimming errors.

Does it have non-slip features?

Yes. It includes Creative Grids’ exclusive grip technology for safe rotary cutting.

Are the markings easy to read?

Absolutely. It features black and white printed lines for visibility on any fabric.

Can I use it with rotary cutters?

Yes. It’s compatible with rotary cutters and standard cutting mats.