| 摘要 |
<p>Apparatus for enabling parts of the surface of a three-dimensional object (1 ) to be moved relative to each other. Applications include orientation of instruments on the surface of e.g. a satellite or a logic puzzle. Objects wi th eight external segments (1, 300, 500) are disclosed and it is shown how thes e can be adapted to form an object with thirty-two interchangeable segments (400). Some embodiments may also be adapted to form an object with twenty-si x interchangeable segments (100, 200).</p> |
