摘要：This paper proposes a novel strategy of designing play equipments.
The strategy introduces two loose constraints as a guideline for
designers. The first constraint is “describing unit of play action chain_
⟨𝑂,𝑆,𝑉⟩ based on Barthes_ semiology, and the second is the infomorphism
between designer, play equipment, and players based on channel
theory. We provide detailed explanation of the strategy through an example
of a designing process of playing environment where the players
usage of the play equipment cannot be foreseen.
