Triangle-Ruler Small 60 Degree 3"-9" Marti Michell

Creative Grids 60 Degree Triangle Ruler

Vintage 1988 Clearview Triangle 60-degree quilting ruler designed by Sara Nephew

60 degree 8.5 Inch Triangle Ruler by Quilt in a Day

60 Degree Triangle Quilt Ruler, Equilateral Triangle Quilting Rulers, Tailor ...

Clearview Triangle 10" 60° Clear Acrylic Quilting Ruler

Clearview Triangle Quilting Ruler By Sarah Nephew 1987 For 60 Degree Designs

Acrylic 13.5Cut 60 Degree Equilateral Triangle Ruler for DIY Sewing Quilting