Dongho Kim's "Space Drawing: Perspective" is a highly regarded, intuitive guide for artists, bridging technical geometry with practical application for natural, lived-in illustrations. It emphasizes placing characters within environments and mastering complex, freehand perspectives like fish-eye lenses, often featuring annotated corrections to address common student mistakes. For a closer look, you can view a preview on YouTube .
The PDF was a masterclass in what Dongho Kim was famous for: the visualization of negative space and the "atmosphere" of perspective. It wasn't just about lines converging on a dot; it was about how the air thickened in the distance, how the silhouette of a spaceship told a story of volume, and how to manipulate the viewer’s eye through the density of the line work.