Library

Versions of Generic door chain guard, long, 12 links

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 slotted track plate with a sliding knob, 12 alternating chain links and the knob plate with its stud on the door (plan and 3D).	CC0	Published	Nov 3, 2026
	Version 1	GeometryFirst version.	CC0	Published	Nov 3, 2026