Squares and eight half-square triangles: triangles in the outer corners point inwards while the triangles around the centre nine-patch point outwards, with a plus of squares through the middle.
Free quilt patterns made from the Cain and Abel block. Open one to make it your own in QuiltLab.
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.
A Sister's Choice-style star whose corner squares are half-square triangles, with dark triangles at the four outer corners echoing the dark centre square.
A centre nine-patch framed by corners of three half-square triangles angled towards the middle, with accent squares at the middle of each edge.
A five-patch drafting of the churn-dash idea: large half-square triangle units in the corners, a two-square bar at the middle of each side with the dark square towards the centre, and a light centre square.
Corners of four half-square triangles angled towards the centre, with accent squares at the middle of each edge and in the centre separated by light squares.
A five-patch of squares and half-square triangles: the outer triangle halves join the edge squares into four arrow shapes that point at the corners, around a centre nine-patch with a contrasting plus.
Open Cain and Abel in QuiltLab's block editor and try your fabrics and colors before you cut.
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