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Half-Square Triangles Quilt Block Pattern: the finished piece
Cover page and a mirrored, numbered template sheet from the Half-Square Triangles quilt block FPP pattern
The Half-Square Triangles quilt block at every finished size: 3, 4, 5, 6, 8 and 10 inch
Thumbnails of the Half-Square Triangles quilt block pattern pages: cover, size and fabric chart, numbered overview, coloring page, templates, assembly and cutting chart
Half-square triangles quilt block templates printed on US Letter and A4 paper with a 1-inch test square to check the print scale
Layout ideas for the Half-Square Triangles quilt block: a full quilt, a border row and a pillow
The Half-Square Triangles quilt block in three colorways, as drafted, pastel and jewel tones; a coloring page and fabric key are included
The Precision Units bundle: 4 quilt blocks including the Half-Square Triangles, sold together for less
Half-Square Triangles: Skill level beginner: no Y-seams, mirrored and labeled templates, every size checked, pieces numbered in sewing order, cutting chart and fabric to buy
The Half-Square Triangles quilt block sewn into a tote bag, one idea for totes, pillows, wall hangings and quilts

How much fabric for the Half-Square Triangles block

Fabric3 in4 in5 in6 in8 in10 in
Dark1 fat eighth1 fat eighth1 fat eighth1 fat eighth1 fat quarter1 fat quarter
Light1 fat eighth1 fat eighth1 fat eighth1 fat eighth1 fat quarter1 fat quarter

Yardage includes a 10 % margin and is worked out from the cutting plan in the pattern, never estimated. 42-in fabric, 40 in usable.

To scale

What's in the PDF

See it in color

The same geometry in 7 fabric choices. The blank coloring page below lets you plan your own.

Plan your colors

Half-Square Triangles Quilt Block Pattern coloring page: the blank layout to plan fabrics

The blank layout, free. Print it, try your fabrics with colored pencils, and buy the pattern when you like what you see.

Download the coloring page

How it comes together

Half-Square Triangles Quilt Block Pattern with every seam line shown
Every seam is one straight line.

32 pieces in 4 lettered sections, every seam a straight line (no Y-seams).

Layout ideas

Questions about the Half-Square Triangles

How many pieces is the block?
32 pieces in 4 lettered sections, every seam a straight line.
What sizes does it come in?
6 sizes, 3 to 10 inches, each with its own mirrored templates.

Ready to make it?

Buy on Etsy — $4.50

Also in a bundle

Precision Units
4 patterns for $14.99 — save 17% against the singles