You can create your own profiles and save them in the profile catalog.
Use any of the following methods to create user-defined profiles in Tekla Structures :
Profile type
Creation methods
Fixed profile
Create user-defined cross sections
Create a fixed profile
Create a fixed profile by copying
Create a fixed profile based on a parametric profile
Parametric profile
Create parametric profiles using .clb files
Create parametric profiles by sketching
Parametric profile with variable cross sections
Create parametric profiles with variable cross sections