Steam Locomotive FEF-3 Northern

**Perfil de Impresión Estándar - BIQU B1**
- Thin Walls: Yes
- Skirt: 6 lines (1 layer high)
- Support Angle: 40°
- Support Density: 1
- Interface Height: 0.05mm
- Tree Support: Ø1.5mm branches / Ø2.5mm base
- Tree Top Rate: 1

The FEF-3 Northern is a high-performance 4-8-4 steam locomotive built for fast mainline passenger service. With a powerful boiler, smooth high-speed stability, and excellent reliability, it became one of the finest express engines of the late steam era.