3D block beginner quilt block paper piecing sewing triangle in a square

Video tutorial Triangle in a square quilt block

This tutorial is for a paper piecing block. Regular templates are also available below.

This is the perfect block to start paper piecing and make blocks with perfect points with no effort.

I use printing paper but you can use phone book paper or any other paper you have available. The thinner the better.

Use a shorter stitch setting so it’s easier to remove the paper at the end.

Learn how to make a triangle in a square quilt block

Learn and see how many designs you can make with this block:

Triangle in a square template

Put this knowledge to use with these 3 patterns:

Accordion quilt pattern
Outback windmill quilt

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Explore all the quilts from the book in real-life projects!

See all the projects from the book as real-life quilts
Triangles in a square video tutorial

6 comments

  1. Hi, Teresa. How do you make your blocks? Do you use a computer program? I have the Creative Grids Triangle in a Square ruler and the companion HRT ruler and nothing is working for me to make a 9-inch finished triangle in a square. I always mess up the bottom right corner. It’s crazy. I even tried making freezer paper templates using the rulers. Maybe I should try tracing it and sewing on the paper and see if I have any better luck. I have printed out your 7-inch finished triangle in a square, but I’d rather have a 9 inch. Oh well, back to the drawing board.

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  2. Hi Ivy, I draw the templates in Electric Quilt 8 but most domestic printers can only print templates that are about 10” x 7.5” so you’ll have to draw the template yourself if you want a 9” x 9” finish. You could draw it on freezer paper. If you haven’t done foundation piecing with freezer paper I have a couple of tutorials for it.

    I hope this helps.

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