Challenges: My model is currently in Inch unit (English unit) NX does not have on-the-fly selection of units when exporting out to STL, thus the model in inch unit is directly exported out to STL file ...

The STL (STereoLithography) file format is the standard file format used for 3D printing. It is a mesh-based file that describes the surface geometry of a 3D object. However, when working with CAD ...