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Industrial Metal Spiral Staircase Low-poly 3D model
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DESCRIPTION

This industrial metal spiral staircase is designed with a strong and realistic structure, suitable for architectural visualization, games, and cinematic scenes. The model was initially created in SketchUp and refined in Blender 3.4, where high-quality PBR textures were applied to achieve a realistic metal surface.

The staircase features a unique fan-shaped step design that enhances its visual appeal while maintaining a functional spiral structure. The model is optimized and cleanly organized, making it easy to use in real-time applications and rendering workflows.

All major formats are included to ensure compatibility with different software and game engines. A dedicated Datasmith file is also provided for seamless integration into Unreal Engine.

Features:

  • High-quality industrial metal design
  • Realistic PBR textures included
  • Clean topology and optimized geometry
  • Ready for games, rendering, and architectural visualization
  • Unreal Engine Datasmith file included

Included Formats:FBXOBJDAEGLBSTLBlendDatasmith for Unreal Engine

Textures:PBR textures included in a ZIP file named Resource

Related Tagsspiral staircase
metal stairs
industrial design
spiral steps
steel stair
architecture element
game readyunreal engine
datasmith ready
pbr materials
realistic metal
interior asset
loft style
modern industrial
architectural visualization
blender model
sketchup design
high quality model
modular stairs
render ready

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Industrial Metal Spiral Staircase Low-poly 3D model

Royalty Free License
Created by
CraftedIn3D
CraftedIn3D
(24 reviews)
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Native file format
SKP
Size: 5.6 MB
2019
Exchange formats
BLEND
Blender<br />Version: 3.4<br />File Size: 1.27 MB
OBJ
OBJ | 2 files<br />File Size: 1.93 MB
FBX
Autodesk FBX<br />File Size: 19.5 MB
GLTF
glTF<br />File Size: 19.4 MB
DAE
Collada<br />File Size: 240 KB
PLY
Ply<br />File Size: 2.49 MB
STL
Stereolithography<br />File Size: 3.64 MB
TEXTURES
Textures<br />File Size: 27.7 MB
PNG
PNG<br />File Size: 27.7 MB
EXR
EXR<br />File Size: 27.7 MB
JPG
JPG<br />File Size: 27.7 MB
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.).
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.
1788 polygons
The total number of polygons (flat shapes) that make up the 3D model.
 / 898 vertices
The number of points (corners) that define the shape of the model's polygons.
Unwrapped UVs
Unknown
Publish date
2026-02-18
Model ID
#6838160
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