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🎬Asset Showcase Video :
🎬A quick look at the asset :
🎬Process of creating the Demo Scene :
Dieselopolis: Dystopian MegaStructure is a large-scale modular 3D environment pack and procedural building toolkit for creating dense industrial, dieselpunk, cyber-dystopian, and megastructure environments in Unreal Engine.
The pack includes 161 Static Meshes covering modular architecture, residential and industrial structures, structural frames, exterior pipes, props, decals, holographic elements, and environmental details. Materials and PBR textures are designed around a consistent visual style, making it easier to combine assets into large, cohesive urban environments.
Alongside the 3D asset library, Dieselopolis includes several custom Blueprint-based tools and Editor Utilities designed to reduce repetitive environment-building tasks and speed up large-scale scene creation.
Key Features
160 Static Meshes
Modular dystopian and industrial architecture
Residential, industrial, cyberpunk, and megastructure elements
Procedural modular building generation
Seed-based visual randomization
Data Table-driven building system
Batch building randomization through an Editor Utility Widget
Spline-based cable generation
Manual cable shaping with viewport spline controls
Automatic adjustable cable sag
Actor-based cable start and end anchors
Dynamic hologram generation
Procedural billboard, lighting, decal, and exterior-detail variations
Nanite support
Box, convex, and custom collision
Procedural MegaMaster Building System
BP_MegaBlock_Master allows modular building blocks to be generated and customized without manually assembling every architectural element.
Multiple block types and presets are included, covering Residential, Cyberpunk, Entrance, and Elevator configurations.
Seed-based controls can generate different visual variations of compatible elements such as window blinds, exterior piping, wall details, lamps, holographic billboards, decals, and structural details.
The system uses organized Data Tables and can be extended with supported custom assets, allowing users to adapt the generator to their own projects.
Building Randomizer
The included Editor Utility Widget provides centralized randomization controls for BP_MegaBlock_Master actors in the current level.
It can:
Randomize selected building blocks
Randomize all compatible blocks in the level
Randomize residential blocks only
Randomize decals independently
Control billboard and exterior-light probability
This makes it easier to create visual variation across duplicated building modules without editing every block individually.
Spline Cable Generator
BP_Cable_Tool allows cables to be created and shaped directly inside the Unreal Engine viewport.
Features include:
Custom cable meshes and materials
Adjustable cable diameter
Optional collision
Optional start and end connector meshes
Manual spline shaping
Adjustable automatic sag
Adjustable sag resolution
Actor-based start and end anchors
When Auto Sag is disabled, the cable follows the manually edited spline path. When enabled, additional gravity-style sag can be applied while retaining control over the cable layout.
Dynamic Hologram Builder
BP_HologramBuilder allows compatible Static Mesh assets to be displayed as customizable animated holograms.
Features include custom hologram materials, optional bounding boxes, optional 3D text meshes, placement controls, and independent rotation animation for the mesh, text, and holographic bounds.
Dieselopolis is designed for environment artists and level designers who want both a modular dystopian asset library and practical Blueprint tools for building large, detailed urban environments more efficiently.
This product uses Unreal Engine 5 Nanite for Static Meshes.
Some meshes may not include traditional baked lightmap UVs and are intended for Nanite + Lumen real-time rendering workflow.
Please refer to official Nanite documentation: