Brutalist pegboard- notice how the lights can be moved to any hole.
Above, from Suzanne Slesin's 1987 book "Japanese Style", including Toyo Itoh's awesome ping pong courtyard, Tadao Ando's supercool partially bermed brutalism, and Kenji Hongo's vertical bunker with its 1978 BMW 530i parked in the rock garden garage.
Below: the cover of next month's Brutus Casa (from Japan). Related? Probably not, but those older BMWs do go nicely with giant slab architecture.
Read more about the cover house above over at What We Do Is Secret