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Versions of Generic orbital transfer stage with sphere tanks on a truss, 60 in stage

Published versions never change. A new license, new data or new geometry is always a new version; people who used an older one keep it.

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DrawingVersionChangeLicenseStatusPublished
Version 2 GeometryAdded the lower skirt, four truss posts with rings and braces, two propellant spheres, the gimballed bell engine, thruster quads and the payload ring (plan and 3D). CC0 Published Nov 3, 2026
Version 1 GeometryFirst version. CC0 Published Nov 3, 2026