1. Tekla Warehouse (Primary Source) Tekla Warehouse is Trimble’s official online repository for extensions, applications, and templates. Accessible via web browser or directly from within Tekla Structures (via the “Applications & components” catalog).
.tsep file → Tekla Structures will launch and guide installation.2. Trimble Identity & License Portal
Some premium or licensed extensions are available through your Trimble account under “My Licenses” or “Downloads” after purchasing an extension subscription.
3. GitHub / Community Forums (Advanced Users)
Open-source extensions (e.g., Tekla Open API based tools) are sometimes shared on GitHub. Always verify compatibility and security before installing. tekla structures extension package download
A Tekla Structures Extension Package (.tsep) is a compressed container file that includes:
Even with official downloads, users encounter issues. Here is how to fix them. Installation: Double-click the
| Problem | Likely Solution |
|---------|------------------|
| .tsep won’t install | Ensure Tekla is closed; re-download if file is corrupted. |
| Extension not showing in Tekla | Check that you installed the correct version; try reinstalling. |
| Error about missing dependency | Install required prerequisites (e.g., Tekla Open API, specific DLLs). |
| “Unsupported environment” message | Extension may be designed only for certain region-specific environments (e.g., US Imperial vs. Metric). |
Companies like Jigsaw, Graitec, or Steel Projects often develop specialized extensions for niche markets (e.g., rebar fabrication automation). These are typically downloaded directly from the vendor’s website and require a separate installation process. Tekla Open API
How to Disable (Not Uninstall) an Extension:
Not all downloads go smoothly. Here is how to diagnose the most common issues.