To get started with modeling in Tekla Structures :
When you are comfortable with the basic modeling tools:
Get familiar with the tools that help you check objects in the model and keep it in good shape, see Check the model.
Understand how you can control how the model is numbered, see Number the model.
To make your modeling efficient:
Understand what applications are and how you can add more capabilities to Tekla Structures , see Applications.
Get familiar with using components to quickly add connections, parts and details as explained in Components.
You can also modify components or create new ones, see Custom components.