Steam Locomotive 242A1

**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 Steam Locomotive 242 A1 is a 4-8-4 “Northern” type experimental high-performance steam engine designed for fast long-distance passenger service. It features four leading wheels for excellent stability at speed, eight large driving wheels for powerful and smooth traction, and a two-wheel trailing truck supporting a wide, efficient firebox. The 242 A1 is known for its advanced engineering, high steaming capacity, and exceptional power output, representing one of the most ambitious European steam locomotive developments of its time.