| 摘要 |
<p>Tridimensional puzzle comprised of a plurality of construction elements, each of them consisting of at least one base element (10) having the shape of an irregular pyramid with a triangular base (12) defined by a rectangular isosceles triangle. One of the lateral faces (16) of the pyramid forms a right angle and is congruent with one of the two sides (A) of the right angle of the base triangle (12).</p> |
