Description
A triangle datum arrow – the plain inverted triangle used to mark datum levels, RLs and reference points on sections and elevations, drawn as a clean closed outline. The naked geometry, ready for your text convention.
Pair it with level text on sections, elevations and setout drawings; fill it or leave it open per office standard. The datum marker, revision triangle and annotation family on this site keep the sheet language consistent. A free DWG format download.
