I’m guessing that the pineapple quilt block should really be in green and yellow, but I’m quite pleased with the fabrics that I have used. This is another block using half rectangle triangles and it uses both versions of the half rectangle triangle so there’s no waste. I have made it here as an 18″ square. You could use a different method to make the diamond in a square in the middle of the block, but I have gone with half square triangles because that is the simplest option.
Cutting requirements for the pineapple quilt block
3.7/8″ squares: two each in pink and purple for the half square triangles
3.7/8″ by 6.7/8″ rectangles: four each in pink and white for the half rectangle triangles
6.1/2″ squares: four white for the corners of the block
Making the pineapple quilt block
Make half square triangles with the 3.7/8″ squares. Place a purple and a pink square with right sides together and mark a line along the diagonal. This is the bottom two shapes in the photo. Sew a 1/4″ seam either side of the line and cut along the line. This will produce two half square triangles, which are now 3.1/2″ squares.
Make half rectangle triangles with the pink and white rectangles. These are the top two images in the photo. Cut the rectangles along one diagonal and then sew one pink to one white triangle. You can see the full tutorial for half rectangle triangles here. These are now 6.1/2″ by 3.1/2″ rectangles.
Lay the patchwork out as shown in four rows. The four white squares are placed in the corners, the four half square triangles are placed in the middle to form a purple diamond in a pink square. The remaining spaces are pairs of half rectangle triangles, placed so that they form a larger white triangle pointing in towards the middle.
You’ll see that the two middle rows are not the same height as the first and fourth rows. This doesn’t matter because the patchwork pieces are the same height across each row.
Sew the patchwork pieces together across each row and then sew the rows to each other to complete the pineapple quilt block.
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