# Vostok ejection seat 3D model

> Shape built from published dimensions and pictures; details simplified.

Free 3D model of Vostok ejection seat, a crewed craft or station, built from published dimensions by Space Radar. 6,028 triangles, 78 kB glTF, MIT.

- **Class:** Stations and crewed craft
- **Mission:** Human spaceflight
- **Triangles:** 6,028
- **File:** vostok-seat.glb, 78 kB, glTF 2.0 binary (meshopt)
- **Look:** Physically based
- **Size:** 1.8 m across
- **Made:** Built from dimensions
- **Added:** 2026-10-29
- **Download:** https://raw.githubusercontent.com/Sara-Managed-Projects/space-radar/main/site/models/vostok-seat.glb
- **Mirror:** https://git.sara-agent.org/sara-projects/space-radar/raw/branch/main/site/models/vostok-seat.glb
- **Viewer:** https://www.spaceradar.ai/model/?id=vostok-seat
- **Licence:** MIT (https://github.com/Sara-Managed-Projects/space-radar/blob/main/LICENSE)
- **Credit:** Vostok ejection seat 3D model by Space Radar (spaceradar.ai), MIT License

Canonical: https://models.spaceradar.ai/vostok-seat/

## How it was made

Built in code from published dimensions and photographs, with no image-to-3D generator and no one else’s mesh. 3D model: built by Space Radar from pictures; compared with photographs of the Vostok seat and of the flown suit (CC BY, CC BY-SA, public domain).

built by this project in code (tools/vostok-builder/, release 1.5.0 stage r15-c2: seat.py); no agency or museum 3D model of this craft exists under a free licence (read 2026-10-29): NASA 3D Resources' file listing (1 583 paths, the GitHub tree of nasa/NASA-3D-Resources) has nothing of Vostok or the R-7 (its one Soyuz is the Apollo-Soyuz one); the Smithsonian's National Air and Space Museum records show physical models only (its 3D site was down); Wikimedia Commons has no 3D file of any of them; the downloadable meshes a web search found (CGTrader, MyMiniFactory, RenderHub, Unity) are sold or personal-use only. So it is built, as the quality bar says: from opened dimensions and many pictures of the flown hardware and the museum copies. No image-to-3D model was used and no published mesh.

## Dimensions

- Length: 1.8 m

Source: NO PUBLISHED DIMENSION OF THE SEAT WAS FOUND on any page opened (Factory 918, S. M. Alekseyev: Astronautix 'Vostok', http://www.astronautix.com/v/vostok.html, read 2026-10-28, names the maker and says the seat was tested from R-2, R-5 and R-7 vehicles and planned to eject at 8 to 10 km, with no size). The seat is drawn about a 1.75 m cosmonaut (the programme's limit; Gagarin was 1.57 m) and every one of its metres is READ OFF THE PHOTOGRAPHS AGAINST HIS BODY and is ILLUSTRATIVE; 1.8 m is its length from the rocket mouths to the headrest's top.

## References

- [Vostok ejector seat.jpg](https://commons.wikimedia.org/wiki/File:Vostok_ejector_seat.jpg), Stolbovsky (CC BY 4.0 (Commons, read 2026-10-28))
- [Vostok 5 reentry capsule 01.jpg](https://commons.wikimedia.org/wiki/File:Vostok_5_reentry_capsule_01.jpg), Stolbovsky (CC BY 4.0 (Commons, read 2026-10-28))
- [Vostok cutaway crew seating.jpg](https://commons.wikimedia.org/wiki/File:Vostok_cutaway_crew_seating.jpg), NASA (Public domain (NASA; Commons LicenseShortName, read 2026-10-28))