Four hourglass units, each turned a quarter from its neighbours, so the dark triangles form a pinwheel at the centre and another around the edges.
Free quilt patterns made from the Big Dipper block. Open one to make it your own in QuiltLab.
Sixteen half-square triangles: pairs along each edge make eight star points, the corners are triangles, and the centre four units form a pinwheel.
Four equal squares in two rows, light and dark alternating so each colour sits on one diagonal.
A four-by-four block of squares and half-square triangles: long dark blades spin around a small centre pinwheel, with a square in each corner.
Two large half-square triangles meet at the centre on one diagonal; the other two quarters each hold a square, a background square and two small triangles.
Four half-square triangles turned so their seams run from the corners to the centre and the dark halves spin around the middle like the sails of a toy pinwheel.
A four-by-four grid with a chain of dark squares from one corner to the opposite corner, crossed by pairs of dark half-square triangles near the other two corners; a four-patch sits in the middle.
Open Big Dipper in QuiltLab's block editor and try your fabrics and colors before you cut.
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