What is the Constraint Tolerance Feature (CTF) graph file?

Mazin Abdulrazzaq
Mazin Abdulrazzaq
3 Oct, 2018 01:18 PM

I need to export GD&T information from a CAD model into STEP 242. I tried to do that using SOLIDWORKS and Creo, but saving the design as a STEP file 242 means the GD&T information will be lost even if they have been added as annotations in Creo. However, I read a solution that suggest the use of Constraint Tolerance Feature (CTF) graph files. I could not find a reference that explains what is exactly the CTF file? and how can I generate it?

I will be more than thankful if anyone can help me to understand how can I generate this file by giving me an example.

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