抄録
It is rare to present the play on the open stage in a public multipurpose hall. However, four theater types ( the closure and opposed fan-shaped and way line type ) are splendidly used in Osaka modern theater festival<Temporary theater>WA. If human egress and ingress is free from anywhere, the space is flexible, and the allowance of the space exists in the circumference of the theater, the open stage is the space which wants challenge for the performer.
It was proven that the performer had required the open stage which does not stop in fixed proscenium theater which is opposed type.
