Library

Versions of Generic lintel, flat arch, 5 blocks, 60 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 5 tapered voussoir blocks of a flat arch between end blocks with a deeper keystone (plan and 3D).	CC0	Published	Nov 3, 2026
	Version 1	GeometryFirst version.	CC0	Published	Nov 3, 2026