Sew Square 4
Sew Square 4™ is a 4" x 4" clear acrylic ruler with easy to use black lines and marks.
Sew Square 4 has unique marks for squaring-up 4" x 4" units from multiple Sew Kind of Wonderful patterns.
Patterns that have 4" square-up steps include:
Posh Holiday Series
Sew Square™ rulers can easily be marked with a permanent marker (ie: Sharpie) for other patterns and other square up points. Marks can easily be removed with a little nail polish remover.