Introduced in 1985 by the Xtree Company, it was the first program to help DOS users manage hard disks by providing a hierarchical display of directories. Versions for Windows came later, and XtreeGold added file viewers.
The 'XTree' by France's 1024 Architecture is made with lit-up metallic scaffoldings that represent branches, and augmented by strategically placed light decorations that dance to a matching soundtrack.
Along those lines, once I get my Linux system up and running, I'm making a virtual beeline to the XTree Fan Page at XTreeFanPage.org/x64linux.htm for a Linux clone of the DOS-based XTree file management system.
Concreative's tech is patented by Xtree, a start-up in which Vinci Construction holds a stake, and will deliver services such as layer-wise concrete extrusion, with each layer printed through a digitally controlled nozzle.