How To Use Triangles On A Roll

QuiltNotes Learning Center

Last Updated March 23, 2019

When making multiple half square triangles for a project, my favorite method is using Triangles On A Roll™. Here is the process.

triangles o a roll

The rolls are 50 feet long and divided into squares.

triangles on a roll

Each square will make 2 half square triangles.

triangles on a roll

Instructions are printed multiple times on the paper.

triangles on a roll

Cut off the amount of paper needed for the number of half square triangles you’re making. In this case we are making 8. Layer the two fabrics right sides together. It doesn’t matter which fabric is on top or bottom. Place pins in some of the open areas.

triangles on a roll

Trim around the paper.

triangles on a roll

Following the arrows, sew on the dashed lines.

triangles on a roll

Trim on the solid outer lines.

triangles on a roll

Trim on all the inner solid lines.

triangles on a roll

Remove the papers. To do this, hold your thumb on top of the seam allowance and tear the triangle shape paper along the seamline.

triangles on a roll

Press toward the dark fabric.

triangles on a roll

Trim off the nubs.

triangles on a roll

Your half square triangles are ready to roll!

triangles on a roll

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For more information on half square triangles check out the article Half Square Triangles.

A project using half square triangles is Cotton Blossom Quilt Kit.

For more project tutorials and videos:

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