Tutorial: Unigraphics NX mold design : Section 3 Initialization of Part
3 Answers

Initialization will create A set Of Files in The Same Directory
Don't Delete Anything :)
Answered with a tutorial: https://grabcad.com/tutorials/tutorial-unigraphics-nx-mold-design-section-3-initialization-of-part

I am taking a simple Circular Plastic Part For Demonstration
Answered with a tutorial: https://grabcad.com/tutorials/tutorial-unigraphics-nx-mold-design-section-3-initialization-of-part--1

Sample file Used for This Tutorial is Uploaded to library https://grabcad.com/library/nx-mold-design-1