# Voskhod 3KD 3D model

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

Free 3D model of Voskhod 3KD, a crewed craft or station, built from published dimensions by Space Radar. 33,486 triangles, 329 kB glTF, MIT.

- **Class:** Stations and crewed craft
- **Mission:** Human spaceflight
- **Triangles:** 33,486
- **File:** voskhod-3kd.glb, 329 kB, glTF 2.0 binary (meshopt)
- **Look:** Physically based
- **Size:** 5.3 m across
- **Made:** Built from dimensions
- **Added:** 2026-11-03
- **Download:** https://raw.githubusercontent.com/Sara-Managed-Projects/space-radar/main/site/models/voskhod-3kd.glb
- **Mirror:** https://git.sara-agent.org/sara-projects/space-radar/raw/branch/main/site/models/voskhod-3kd.glb
- **Viewer:** https://www.spaceradar.ai/model/?id=voskhod-3kd
- **Licence:** MIT (https://github.com/Sara-Managed-Projects/space-radar/blob/main/LICENSE)
- **Credit:** Voskhod 3KD 3D model by Space Radar (spaceradar.ai), MIT License

Canonical: https://models.spaceradar.ai/voskhod-3kd/

## 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 published dimensions; compared with photographs of the Voskhod 2 airlock on display (CC0, public domain), line drawings (public domain, NASA) and a Voskhod capsule (CC BY-SA 3.0).

built by this project in code (tools/vostok-builder/, release 1.7.2: voskhod3kd.py); no agency or museum 3D model of this craft under a free licence was found (read 2026-11-03): NASA 3D Resources has nothing of Voskhod; the Smithsonian's records show physical models only; the downloadable meshes a web search found are sold or personal-use only. Wikimedia Commons does hold ONE 3D file, 'Voskhod 2 Deployed.stl' (Fac-tory-o, CC BY-SA 4.0, 2018): a plain print-style model whose airlock is a bare tube; it was NOT downloaded and nothing of it is used (its preview picture was looked at). So the craft is built, as the quality bar says, from opened dimensions and several photographs of the flight-standard airlock and suit. No image-to-3D model was used and no published mesh.

## Dimensions

- Sphere diameter: 2.3 m
- Instrument module length: 2.25 m
- Instrument module diameter: 2.43 m
- Volga length: 2.5 m
- Volga ring width: 1.2 m
- Volga outer hatch width: 0.65 m
- Volga stowed proud: 0.74 m
- Umbilical: 5.35 m
- Airbooms: 40

Source: Wikipedia, 'Voskhod (spacecraft)' (read 2026-11-03): the airlock 250 kg, 77 cm high collapsed for launch, extended 2.5 m long with a 1 m internal and a 1.2 m external diameter; the back-up solid-fuel retrorocket on top of the descent module; the seat removed, two seats at 90 degrees; the airlock 'opposite the entry hatch' (Voskhod 2). Wikipedia, 'Voskhod 2' (read 2026-11-03): the fabric tube made rigid by about 40 airbooms in three independent groups, seven minutes to inflate, four spherical oxygen tanks, two lights, three 16 mm cameras (two in the airlock, one on a boom on the upper ring), the 5.35 m umbilicus. Wikipedia, 'Vostok (spacecraft)' (read 2026-10-28, row vostok-3ka): the 2.3 m sphere and the instrument module 2.25 m by 2.43 m. FROM THE TASK BRIEF, not found on the pages read: the airlock's 74 cm beyond the hull at launch, the 65 cm outer hatch, the 2.5 m3 of volume. NOT PUBLISHED on any page opened, so READ OFF THE PHOTOGRAPHS and ILLUSTRATIVE: the oxygen spheres' size (0.34 m) and place, the 40 ribs on the rings, the ring's height, the hatch's hinge and handle, the boom's length (0.8 m) and the camera on it, the airlock's height above the sphere's equator (8 degrees), the back-up retro rocket's size (0.8 m wide at its foot, 0.9 m tall) and its four nozzles.

## References

- [Airlock of Voskhod 2 (a).JPG](https://commons.wikimedia.org/wiki/File:Airlock_of_Voskhod_2_(a).JPG), Armael (CC0 (Commons, read 2026-11-03))
- [Airlock of Voskhod 2 (b).JPG](https://commons.wikimedia.org/wiki/File:Airlock_of_Voskhod_2_(b).JPG), Armael (CC0 (Commons, read 2026-11-03))
- [Voskhod-2 airlock and spacesuit.jpg](https://commons.wikimedia.org/wiki/File:Voskhod-2_airlock_and_spacesuit.jpg), Kucharek (Public domain (Commons, read 2026-11-03))
- [Voskhod spacecraft diagram.png](https://commons.wikimedia.org/wiki/File:Voskhod_spacecraft_diagram.png), Reubenbarton (English Wikipedia) (Public domain (Commons, read 2026-11-03))
- [Voskhod spacecraft cutaway.jpg](https://commons.wikimedia.org/wiki/File:Voskhod_spacecraft_cutaway.jpg), NASA (Public domain (Commons, read 2026-11-03))
- [Voskhod 1 capsule on display, 2016.jpg](https://commons.wikimedia.org/wiki/File:Voskhod_1_capsule_on_display,_2016.jpg), Andrew Gray (CC BY-SA 3.0 (Commons, read 2026-11-03))
- [1980 CPA 5064.jpg](https://commons.wikimedia.org/wiki/File:1980_CPA_5064.jpg), USSR Post (Public domain (Commons, read 2026-11-03))
- [Voskhod 2 Deployed.stl](https://commons.wikimedia.org/wiki/File:Voskhod_2_Deployed.stl), Fac-tory-o (CC BY-SA 4.0 (Commons, read 2026-11-03))
- [Voskhod Spacecraft Life Support Unit (54838030429).jpg](https://commons.wikimedia.org/wiki/File:Voskhod_Spacecraft_Life_Support_Unit_(54838030429).jpg), Steve Jurvetson (CC BY 4.0 (Commons, read 2026-11-03))
- [Voskhod (spacecraft), Wikipedia](https://en.wikipedia.org/wiki/Voskhod_(spacecraft)), Wikipedia contributors (CC BY-SA 4.0 (Wikipedia's text); the numbers are facts)
- [Voskhod 2, Wikipedia](https://en.wikipedia.org/wiki/Voskhod_2), Wikipedia contributors (CC BY-SA 4.0 (Wikipedia's text); the numbers are facts)