X3P file extension - 3D-point data exchange file
What is x3p file? How to open x3p files?
File type specification:
The X3P file extension is used for 3D-point data exchange format, which is used to store line and areal profiles of 3d surface data as well as point clouds. The .x3p files are used by some metrology system manufacturers like NanoFocus, Mahr, Alicona and others.