• Thumbnail for Polycube
    A polycube is a solid figure formed by joining one or more equal cubes face to face. Polycubes are the three-dimensional analogues of the planar polyominoes...
    12 KB (1,326 words) - 22:10, 20 July 2024
  • Thumbnail for Tetromino
    and pentominoes, are a particular type of polyomino. The corresponding polycube, called a tetracube, is a geometric shape composed of four cubes connected...
    12 KB (1,119 words) - 21:25, 17 September 2024
  • Thumbnail for Cube
    constructed with six square pyramids, tiling space by attaching their apices. Polycube is a polyhedron in which the faces of many cubes are attached. Analogously...
    37 KB (3,969 words) - 06:13, 26 September 2024
  • Thumbnail for Lagrange's four-square theorem
    Unlike in three dimensions in which distances between vertices of a polycube with unit edges excludes √7 due to Legendre's three-square theorem, Lagrange's...
    25 KB (4,261 words) - 03:42, 23 September 2024
  • Thumbnail for Soma cube
    240 possible solutions by hand in 1961. The seven Soma pieces are six polycubes of order four, and one of order three: Piet Hein authorized a finely crafted...
    9 KB (1,126 words) - 19:57, 22 September 2024
  • Thumbnail for Polyform
    joined along congruent faces. Joining cubes in this way produces the polycubes, and joining tetrahedrons in this way produces the polytetrahedrons. 2-dimensional...
    6 KB (391 words) - 03:51, 28 September 2024
  • The Dancing Links algorithm solving a polycube puzzle...
    8 KB (1,035 words) - 12:24, 10 June 2023
  • Thumbnail for Pentomino
    sets, each of which consists only of a single rectangle. A pentacube is a polycube of five cubes. Of the 29 pentacubes, exactly twelve pentacubes are flat...
    18 KB (2,277 words) - 13:02, 27 August 2024
  • perspective is that of looking down into a three-dimensional rectangular pit. Polycube blocks of various shapes appear, one at a time, and fall slowly toward...
    10 KB (1,008 words) - 21:53, 11 October 2024
  • Thumbnail for Polyomino
    Polyominoes have been generalized to higher dimensions by joining cubes to form polycubes, or hypercubes to form polyhypercubes. In statistical physics, the study...
    38 KB (4,393 words) - 20:46, 3 October 2024