Steam Locomotive 7 Ton Decauville

**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 7 Ton Decauville is a small 0-4-0 narrow-gauge steam locomotive built for industrial and light railway work. Compact, lightweight, and easy to operate, it was widely used in quarries, mines, and temporary railways where flexibility and simple construction were essential.