.ply
PLY modelPolygon File Format
The Polygon File Format, also called the Stanford Triangle Format, devised at Stanford in the 1990s. It stores vertices and faces with extra properties such as per-vertex colour.
3D scans, point clouds and research data.
Opens in MeshLab, CloudCompare, Blender
About PLY files.3mf
3MF model3D Manufacturing Format
A ZIP-based 3D printing format from the 3MF Consortium, founded in 2015 by Microsoft and others. Unlike STL it keeps units, colours, materials and several objects, and can carry print settings.
Ready-to-print projects with colours, multiple parts and printer settings.
Opens in PrusaSlicer, Bambu Studio, Cura, Windows 3D Builder
About 3MF files