Trimbe Tekla Structures 21.1 SR6 Tekla Structures software is a building information modeling (BIM), which allows you to create accurate, detailed, easy to construct 3D models from any material and any complexity and manage them.Models Tekla Structures can be used throughout the construction process from design to fabrication, erection and construction management. Tekla Structures -. It is a single product that is available in several configurations that provide specialized set of features to meet the needs of certain construction industry segments Tekla Structures can be used with other existing applications, or solely as a platform to develop their own workflows. Open platform supports interoperability and standardization. Tekla Structures links with various systems through Tekla Open API ™ application programming interface that is implemented using Microsoft® .NET technology. Example, Tekla Structures supports the following standard formats: IFC, CIS / 2, SDNF and DSTV. Tekla Structures supports proprietary formats such as DWG, DXF and the DGN.