Grillage Model Wizard

Question:

I created the attached file using Grillage Model Wizard option but an error occurs to generate the bridge. Please help

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Answer:
If you want to generate the model as 3D model type, PSC box section should have the cantilever edge part. So, B2 value should not be '0'.

Therefore, with the section which you defined, only 2D model type is available.