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Quilt Notes: DANCING CUBES is the title given by Nancy Cabot in her Chicago Tribune quilt column, May 8, 1937. Blocks like this have lots of names and incarnations, see more at SHIFTING CUBES. They also share the same optical illusion of dark and light 3D, so that if you stare at the intersection of the top or bottom of the yellow diamond in the center of this block (see above right) for any length of time, the cube will shift in and out of space, or "dance."
Origami geometric cube from Origami Maniacs
In Geometry, the phenomenon is called NECKER'S CUBE (see at Wikipedia). Note also both the black and the blue diamonds were added to the illustrations here to interrupt the red and gold color scheme, so as to make the eye shift about somewhat (scroll down to see the effect in the tiling pattern). ALL quilt designs fall into categories of tiling possibilities: this type of geometric pattern is called a Rhombile.
For more blocks at this site utilizing a wide variety scraps, compare with BIRDS IN THE AIR, also OLD MAID'S RAMBLER. Other quilt designs with "Geometric" titles include:
ARRANGEMENT OF SMALL PIECES
CENTER DIAMOND
BUTTERFLY IN ANGLES
CUBE LATTICE
SYMMETRY IN MOTION
LOCKED SQUARES
TRIANGULAR TRIANGLE
DIAMOND NET
TRIANGLE ASKEW
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DANCING CUBES
