Hammer editor

The main subject is a computer screen displaying a software interface with four quadrants showing a 3D environment; in the top-left quadrant, a green human figure stands in a room with furniture, while the other three quadrants display various elements of the scene, including trees and light sources, all rendered in a wireframe or silhouette style. Across the loop, the scene remains static, with no movement or change in the elements within the four quadrants.