how to make a welding joint like this with macro

[wissemayari]

how to make this joint then be able to change its parameters thru a user form...i've tried different ways but it never worked with macros unlike using weld design...

 

[moon161]

That's titled like a CATIA file. You'll probably find your answer in the DASSAUL CATIA subforum:

http://www.eng-tips.com/threadminder.cfm?pid=560