A variety of different file formats exist for saving TIN information, including Esri TIN, along with others such as AquaVeo3 and ICEM CFD.4
[1]Also known as a "Triangular Irregular Network" https://pro.arcgis.com/en/pro-app/help/data/tin/tin-in-arcgis-pro.htm ↩
Franklin, W. R. (1973). Triangulated irregular network program. ↩
"TIN Files - XMS Wiki". https://www.xmswiki.com/wiki/TIN_Files ↩
"[ICEM] Import geometry from solidworks -- CFD Online Discussion Forums". https://www.cfd-online.com/Forums/ansys-meshing/71507-import-geometry-solidworks.html ↩