Not every small fabrication shop has an RTX 4080 workstation. The 64-bit version of 20.1 runs beautifully on a refurbished Dell Precision T3610 (Xeon E5) with 16GB of RAM. Newer versions (2024+) struggle without modern NVMe drives and DirectX 12 GPUs.
Newer versions of Tekla introduce "Trimble Connect" integration, cloud collaboration, and complex rebar wizards. However, they also introduce new bugs. Many fabricators have a "locked" workflow. They know Tekla 20.1 SR3 never crashes during numbering. If it isn't broken, they don't fix it. Tekla Structures 20.1 SR3 -64-Bit-
Trimble has moved to a subscription model (Tekla Campus / Tekla Online Subscriptions). Users who own a perpetual license for version 20.1 can continue using it indefinitely without paying monthly fees. SR3 is often the last version their legacy dongle supports. Not every small fabrication shop has an RTX 4080 workstation
| Component | Recommended Specification | | :--- | :--- | | | Windows 7 SP1 (64-bit), Windows 8/8.1 (64-bit), Windows 10 (Early builds) | | CPU | Intel Core i5 or i7 (2nd Gen to 6th Gen) / AMD equivalent. Single-core speed matters more than cores. | | RAM | 8 GB minimum – 16 GB - 32 GB recommended for models > 5,000 parts. | | Graphics Card | NVIDIA Quadro (K2000 or higher) or GeForce GTX 660+. OpenGL 3.1 support required. | | Hard Drive | SSD for OS and project cache; HDD for archives. 10 GB free space. | | Display | 1920 x 1080 (Full HD) minimum for Ribbon usability. | They know Tekla 20