12 HDRI 8K Celestial Core Fractal Space Skyboxes

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I am a game designer with 10+ years experience in Unreal Engine and some experience in Unity and CryEngine. I am specialized in open world game ready assets (HDRI, real-world heightmaps, open world 3d landscapes in UE5 etc.)
License
Extended Use License
This item comes with our Extended Use Licensing. This means that you may use the model for both non-commercial and commercial purposes, in a variety of mediums and applications.
For full license terms, see our 3D Content Licensing Agreement
HDR Image Details
| Vendor: | Johny1981 |
| Published: | Nov 06, 2026 |
| Download Size: | 835.4 MB |
| Dimensions: | 8,192 x 4,096 |
Included Formats
.hdr
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| Views: | 7 |
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12 HDRI 8K Celestial Core Fractal Space Skyboxes
12 fractal space panoramas with bright energy cores inside coloured nebula clouds, for sci-fi and fantasy skies. Each one is a full 360 degree equirectangular image at 8192 x 4096 in 32-bit HDR.
The panoramas share a family resemblance, built around a glowing central core, so they work well as one matching set across a game or film. Colours include cyan and deep blue, emerald green, gold and amber, violet, magenta, ice white and copper orange.
Good for:
- Space and sci-fi games, portals and star maps
- Magical astral realms and boss arenas in fantasy projects
- Cinematics, VFX, VR and AR
- Lighting and reflections in 3D scenes
What's in the download:
- 12 panoramas in 32-bit Radiance .HDR format, 8192 x 4096 (2:1)
- A contact sheet with numbers that match the file names
- A short README with setup notes for Blender, Unreal Engine and Unity
Every file was checked for bad pixels and the left and right edges join cleanly. Peak brightness runs from about 40 to 5,500, depending on the file, so start with a low intensity.
Texture formats: HDR; Number of unique textures: 12; Texture resolutions: 8k (8192 x 4096);
The panoramas share a family resemblance, built around a glowing central core, so they work well as one matching set across a game or film. Colours include cyan and deep blue, emerald green, gold and amber, violet, magenta, ice white and copper orange.
Good for:
- Space and sci-fi games, portals and star maps
- Magical astral realms and boss arenas in fantasy projects
- Cinematics, VFX, VR and AR
- Lighting and reflections in 3D scenes
What's in the download:
- 12 panoramas in 32-bit Radiance .HDR format, 8192 x 4096 (2:1)
- A contact sheet with numbers that match the file names
- A short README with setup notes for Blender, Unreal Engine and Unity
Every file was checked for bad pixels and the left and right edges join cleanly. Peak brightness runs from about 40 to 5,500, depending on the file, so start with a low intensity.
Texture formats: HDR; Number of unique textures: 12; Texture resolutions: 8k (8192 x 4096);
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