| 摘要 |
<p>The constructional toy comprises modular profiled components in the form of frames, distinguished by their profiles and with holes drilled in them. They are assembled together by means of the same pegs fitted in the holes. Those holes not accommodating pegs receive sealing plates (10), with bosses (11) fitting in the holes. There can be square, rectangular or polygonal frames of a first type formed of 90 deg. angular section, with one flange parallel to the plane of the frame and the other at right angles to it. The centre distance between holes is the same as that between bosses.</p> |
