Highly detailed 3D-printable miniature of the iconic Peterbilt 351 day cab tractor. Designed for use in model-railroad layouts, dioramas, and scale scenes; this model preserves exterior detail while remaining print-friendly. Files are optimized for hobby FDM and resin printers—STL format included. Recommended print settings: 0.12–0.20 mm layer height (FDM), use supports for small protruding parts (mirrors, sun visor, exhaust stacks), and consider printing in resin for the finest surface detail. Compatible with HO (1:87) dioramas and printable at other scales; post-processing and painting will produce an excellent display piece or scene prop.