We finally settled on a shape that was the proportion of the Concertgebouw with the sloping outside walls, which the acoustician said were crucial to this and later decided they weren't, but now we have them.
Ne-am hotarat in final pentru o forma cam de marimea salii Concertgebouw, cu peretii exteriori in panta, despre care acusticianul a spus ca erau cruciali si apoi a decis ca nu erau, dar acum ii avem.