# Vostok Blok E 3D model

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

Free 3D model of Vostok Blok E, a rocket stage, built from published dimensions by Space Radar. 3,776 triangles, 38 kB glTF, MIT.

- **Class:** Rockets and stages
- **Mission:** Launch vehicles
- **Triangles:** 3,776
- **File:** vostok-blok-e.glb, 38 kB, glTF 2.0 binary (meshopt)
- **Look:** Physically based
- **Size:** 4.8 m across
- **Made:** Built from dimensions
- **Added:** 2026-11-08
- **Download:** https://raw.githubusercontent.com/Sara-Managed-Projects/space-radar/main/site/models/vostok-blok-e.glb
- **Mirror:** https://git.sara-agent.org/sara-projects/space-radar/raw/branch/main/site/models/vostok-blok-e.glb
- **Viewer:** https://www.spaceradar.ai/model/?id=vostok-blok-e
- **Licence:** MIT (https://github.com/Sara-Managed-Projects/space-radar/blob/main/LICENSE)
- **Credit:** Vostok Blok E 3D model by Space Radar (spaceradar.ai), MIT License

Canonical: https://models.spaceradar.ai/vostok-blok-e/

## 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 museum photographs of the R-7 at VDNKh and Kaluga (CC BY, CC BY-SA) and a Russian cutaway drawing (public domain).

built by this project in code (tools/vostok-builder/blok_e_stage.py, which calls r7.build_blok_e(): the same part the Vostok launcher of release 1.5.0 is made of); no agency or museum 3D model of Vostok exists under a free licence (read 2026-10-29, see the row `r7-8k72k`); no image-to-3D model was used and no published mesh

## Dimensions

- Hull diameter: 2.56 m
- Hull length: 3.1 m
- Overall: 4.83 m
- Mass: 1440 kg
- Length gcat: 3.8 m
- Diameter gcat: 2.6 m

Source: The Russian cutaway drawing 'R-7 vostok.jpg' (Commons, public domain, read 2026-10-28): 'Блок III ступени 2980' = block III 2.98 m; Astronautix 'Vostok 8K72K' (read 2026-10-28): block E 2.56 m across and 2.84 m long; ru.wikipedia 'Восток (ракета-носитель)' (read 2026-10-28): the single-chamber RD-0109 with four steering nozzles. McDowell's GCAT (CC BY 4.0, read 2026-11-07): the catalogued 'Vostok-2M Stage 3' (bus Blok-E): mass 1 440 kg, length 3.8 m, diameter 2.6 m. THE SOURCES DISAGREE on the hull's length (2.98, 2.84 and, with the engine, 3.8 m): the hull is built 3.1 m between its skirt and its cap as the drawing's joints give them, and the bell and adapter cone are drawn outside that, 4.83 m overall. The hull's bands, hatches, ports and every fitting, the bell's length and the adapter cone are READ OFF THE PHOTOGRAPHS of the museum copies and are ILLUSTRATIVE in the metre. NOT CITED: the wall, the tanks inside.

## References

- [R-7 vostok.jpg (Russian cutaway of the Vostok launcher with its dimensions)](https://commons.wikimedia.org/wiki/File:R-7_vostok.jpg), SoM33 (Wikimedia Commons) (Public domain (Commons LicenseShortName, read 2026-10-28))
- [Vostok rocket drawing.png](https://commons.wikimedia.org/wiki/File:Vostok_rocket_drawing.png), NASA (Public domain (NASA; Commons LicenseShortName, read 2026-10-28))
- [Vostok-K Carrier Rocket - VDNKh, Moscow (38921927071).jpg](https://commons.wikimedia.org/wiki/File:Vostok-K_Carrier_Rocket_%E2%80%93_VDNKh,_Moscow_(38921927071).jpg), Alan Wilson (CC BY-SA 2.0 (Commons, read 2026-10-28))
- [Mil Mi-8T helicopter and Vostok 8K72K at VDNKh.jpg](https://commons.wikimedia.org/wiki/File:Mil_Mi-8T_helicopter_and_Vostok_8K72K_at_VDNKh.jpg), Dmitry Ivanov (CC BY-SA 4.0 (Commons, read 2026-10-28))
- [Moscow, VDNKh, engine arrangement on the R-7 rocket (10656172226).jpg](https://commons.wikimedia.org/wiki/File:Moscow,_VDNKh,_engine_arrangement_on_the_R-7_rocket_(10656172226).jpg), Gennady Grachev (CC BY 2.0 (Commons, read 2026-10-28))
- [Rocket Vostok in Kaluga.jpg](https://commons.wikimedia.org/wiki/File:Rocket_Vostok_in_Kaluga.jpg), Andrey Baburov (CC BY-SA 3.0 (Commons, read 2026-10-28))
- [Ракета-носитель «Восток».jpg](https://commons.wikimedia.org/wiki/File:%D0%A0%D0%B0%D0%BA%D0%B5%D1%82%D0%B0-%D0%BD%D0%BE%D1%81%D0%B8%D1%82%D0%B5%D0%BB%D1%8C_%C2%AB%D0%92%D0%BE%D1%81%D1%82%D0%BE%D0%BA%C2%BB.jpg), Tatyanakorneeva (CC BY-SA 4.0 (Commons, read 2026-10-28))
- [Vostok-2M (8A292M) in Korolyov, Moscow Oblast.jpg](https://commons.wikimedia.org/wiki/File:Vostok-2M_(8A292M)_in_Korolyov,_Moscow_Oblast.jpg), Dmitry Ivanov (CC BY-SA 4.0 (Commons, read 2026-10-28))
- [Block-E rocket stage.png](https://commons.wikimedia.org/wiki/File:Block-E_rocket_stage.png), Alexander Mokletsov (CC BY-SA 3.0 (Commons, read 2026-10-28))
- [General Catalog of Artificial Space Objects (GCAT), satcat.tsv of 2026-11-06](https://planet4589.org/space/gcat/tsv/cat/satcat.tsv), Jonathan C. McDowell (CC BY 4.0 (the catalogue's own statement))