The Double Friendship Star is a traditional 9-Block with a 4-pointed star that has two tips on each point.

The Double Links block is a 9-block design that features two interlocking, rectangular rings constructed from half-square triangles.

Indiana Puzzle is a 9-patch design that features eight half-square triangles arranged in a swirling, pinwheel around a central square on point block.

Salem Star is a 9-patch design that features four flying geese units pointing inward to a central square on point, framed by four corner blocks that each have accent triangles on their innermost and outermost corners.