It is part of the installation media of Teamcenter and not available as a separate download.
See the Administrators guide shipping with Teamcenter.
Production: NX10.0.3, VERICUT 8.1, FBM, MRL 3.1.7 | TcUA 10.1 MP7 Patch 0 (10.1.7.0) | TcVis 11.4
Development: C (ITK), .NET, Tcl/Tk Testing: NX12.0 | AWC 3.4 Preparing: NX12.0
Employees of the customers, together we are strong
How to Get the Most from Your Signature in the Community
NX Customization - Best Practice Guide
I see that explains why I can't find, it least I'm not going mad.
Thank you for clearing this up for me.