Detailed, 3D-printable model of the Peterbilt 346 tractor (semi truck) accurately proportioned for scale models and dioramas. The design captures key exterior details including the conventional cab, grille, bumper, fuel tanks, exhaust stacks, fenders, mirrors and fifth wheel. Files are arranged in printer-friendly subassemblies (cab, chassis, wheels, mirrors) for easier printing and assembly. Optimized for hobby printing at common scales used in model railroading and dioramas. Digital download only — no physical product is shipped.