Versions of Generic toy helicopter, twin-rotor, 16 in

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.

Drawing	Version	Change	License	Status	Published
	Version 2	GeometryAdded the fuselage, rotors, tail, skids or wheels and the tandem details (plan and 3D).	CC0	Published	Nov 3, 2026
	Version 1	GeometryFirst version.	CC0	Published	Nov 3, 2026