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Versions of Generic first-layer test plate, rings and cross, 4 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 a base plate, an upright test plate on two rear braces and a raised set of four rings with a cross on its face (plan and 3D).	CC0	Published	Nov 3, 2026
	Version 1	GeometryFirst version.	CC0	Published	Nov 3, 2026