The 2 Peaks in 1 Triangle ruler combines the angles you need to create triangle in a square blocks which requires
Creative Grids® 2 Peaks in 1 Ruler - CGR2P1
Mountains quilt pattern by Susan Emory and Joanne Hillestad for Swirly – The Quilter's Bazaar
Tall Tree Lane Wallhanging Pattern by Sassafras Lane Designs 640213755955 - Quilt in a Day Patterns
Creative Grids Two Peaks In One Ruler 13x 7
Notions — Lori's Country Cottage
Creative Grids 60 Degree Triangle 12-1/2in Quilt Ruler CGRT12560
Creative Grids Ruler – Quilting Books Patterns and Notions
Creative Grids 2 Peaks in 1 Triangle Quilt Ruler - CGR2P1
Rulers – Sassafras Lane Designs
This 13 x 7 Two Peaks in One Quilting Ruler by Creative Grids provides everything you need for easy and accurate measuring and cutting of peaks! Cut
Creative Grids Two Peaks In One Ruler 13x 7
Tall Tree Lane Wallhanging Pattern by Sassafras Lane Designs 640213755955 - Quilt in a Day Patterns
Sassafrass Lane Designs – Sew Hot