| 摘要 |
<p>A puzzle in the form of an open, space frame cuboid is assembled from six frame members (1). Two frame members (1a) form a frame of which there are three in the assembled puzzle, one in each perpendicular plane. Each frame (1a, 1a) holds captive within it one (6a, 6a) of the remaining two frames and at the same time is itself held captive within the other (5a, 5a) of the remaining two frames.</p> |
