Imaginary planes at an angle of 45 degrees are drawn from the footprint of neighboring residential buildings, which results in building forms with jagged silhouettes. The 45-degree angles provide the maximum amount of sunlight for the houses and the public spaces and make the roofs less visible from the ground floor.
More:
https://www.bdcnetwork.com/sustainable-mixed-use-development-springs-dutch-city-center-green-fringed-crystal-formation
