A square set on point, its corners touching the middle of each side, with four half-square triangles filling the corners.
Free quilt patterns made from the Square in a Square block. Open one to make it your own in QuiltLab.
A large square set on point inside a square, framed by a wide border with contrasting corner squares; the layout of the classic Amish centre-diamond quilt at block scale.
An upright centre square framed by two rounds of triangles: the first round turns it on point, the second squares it up again, so the three squares nest at alternating angles.
A two-colour four-patch at the centre, wrapped in four rounds of ever-larger triangles that alternately set it on point and square it up; each triangle continues the colour of the piece it grows from, so light and dark arms spiral out like a snail shell.
Square-in-a-square corners, long diamonds in the side rectangles, and a double square-in-a-square centre; repeated, the straight seams read as rolling curves.
A nine patch with plain corners, a centre square, and four half-square-triangle side units turned the same way round so the star points spin like a pinwheel.
An uneven nine-patch on a five-patch grid: each corner is a large triangle unit whose outer half is a small square flanked by two small triangles, set around a cross of bars with a square at the centre.
Open Square in a Square in QuiltLab's block editor and try your fabrics and colors before you cut.
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