Antrum Spatio-Graphical Interactive Installation looks like a grotto of the membrane, the surface of which is inhabited by strange creatures. It’s complex structure causes association with living creatures, space objects and architectural constructions. In this frontier word pure mathematical abstractions are mixed with natural shapes, resulting in formation of new entities. Viewers can push the membrane and try to contact with them. Project realised by Russians: Tatiana Plakhova (more) and mathrioshka.ru of Eduard Haiman & Vadim Smakhtin