IIRC, it is a compressed maxscript program that you can drag into the VIZ viewport to have it installed.
It is explained on the site of Marc Lorenz.
http://plugins.angstraum.at
--- stefan boeykens --- bim-expert-architect-engineer-musician ---
Archicad29/Revit2026/Rhino8/Solibri/Zoom
MBP2023:14"M2MAX/Sequoia+Win11
Archicad-user since 1998
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