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Underground Crossing Tunnel Free low-poly 3D model
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DESCRIPTION

Detailed underground crossing tunnel 3D model designed for subways, pedestrian walkways, and metro stations. The model includes tunnel walls, floors, ceilings, stairs, and lighting elements with realistic textures. Perfect for urban environments, survival games, horror scenes, and architectural visualizations.

Optimized for real-time rendering, the tunnel can be used in both realistic and stylized projects.

Features

Real-world scale with accurate proportions

Modular tunnel sections (straight, corner, stairs, entrance/exit)

Mid-poly ~18k tris, optimized low-poly ~9k tris

4K/2K PBR textures (Concrete, Metal, Tiles, Roughness, Normal, AO)

Includes lighting fixtures, railings, and signage

Non-overlapping UVs with clean layout

Formats: FBX, OBJ, GLB, Blender source file

Compatible with Unity, Unreal Engine, Blender, Maya, 3ds Max

Game-ready, modular design for easy level building

Related Tagsundergroundcrossingsubwaytunnelpedestrianmetrostationpassageunderpasscityenvironmentasseturbanmodularsurvivalblenderrealisticarchitectural

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Underground Crossing Tunnel Free low-poly 3D model

Royalty Free License (no AI)
Created by
salmantechknack1234
salmantechknack1234
(6 reviews)
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File formats
PNG
PNG<br />File Size: 109 MB
FBX
Autodesk FBX<br />File Size: 94.5 KB
Verified by CGTrader
Verified models are of higher quality as they have
passed CGT Standard technical and visual checks,
making them more professional-grade 3D assets.
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FBX
This FBX file has successfully passed the CGT Standard technical and visual checks. The verification results are detailed in the section below.
File & scene
Binary FBX
Binary FBX file is more compact and faster to load and process.
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No unsupported objects
Unsupported objects:
- Lights
- Cameras
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Geometry
No N-gons
N-gons are polygons with five or more sides which might cause issues in certain processes like rendering or animation. Learn more
No faceted geometry
Faceted geometry uses flat surfaces without smoothing, which can look unrealistic on curves.
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Manifold geometry
Manifold geometry ensures all surfaces are properly connected, avoiding issues like edges shared by more than two faces.
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Textures & material
PBR textures
PBR textures simulate how light interacts with materials, making the model look realistic under different lighting.
Required PBR textures:
- Base Color
- Roughness
- Metalness
- Normal
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No embed textures
Embedded textures are stored inside the model file, increasing its size and sometimes causing compatibility issues.
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Square textures
Texture aspect ratio is the width-to-height ratio of a texture. Expected texture aspect ratio: 1:1
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Power of 2 texture sizes
Textures with dimensions in power of two (e.g. 512x512px, 1024x1024px) are used to optimize performance and memory usage.
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Assigned materials
Materials are applied to the 3D model to allow visualize a model's surface properties and appearance.
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UVs & naming
No UV overlaps
UVs overlap when multiple points on the 3D model's surface are mapped to the same point on the UV island causing texture stretching.
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UV unwrapped model
A UV unwrapped model means its 3D surface is flattened into 2D space, allowing textures to be applied accurately.
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Allowed characters
Allowed ASCII characters: a-zA-Z0-9-_
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Provided by designer
Information and details shared directly by the model's designer.
3D Features
PBR
Uses Physically Based Rendering materials, which give the model realistic lighting and surface properties.
Textures
The model includes image files (textures) that add color, patterns, or detail to its surfaces.
Materials
The model has material settings that define how surfaces look (color, shine, transparency, etc.).
UV Mapping
The model's surfaces are mapped to a 2D image, allowing textures to display correctly.
3D printing
Indicates whether the designer marked this model as suitable for 3D printing.
Model is not 3D printable
The designer indicates this model is intended for digital use only (rendering, animation, or AR/VR) and not for 3D printing.
Geometry
Polygon mesh
A model built from polygons (triangles or quads) connected in a mesh.
Unwrapped UVs
Non-overlapping
Publish date
2025-08-30
Model ID
#6407436
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