If the truss or frame is not one of the types included in the program, it cannot be generated.

In this case, what can be done is generate a similar one in the Portal Frame Generator and then modify it later on in Metal 3D to adapt it to the real situation.

Alternatively, it can be created completely in Metal 3D but the user will have to introduce the loads him/herself and corresponding loadcases, which are generated automatically by the Portal Frame Generator. For this reason, the first option is the better option.