: A standard license is approximately 4,500 THB (approx. $125 USD) per machine. A 7-day demo (v1.3.4) is often available for free testing. How to Install (RBZ Method)
Quickly generate reinforcement cages for rectangular footings, beams, and columns.
If the toolbar does not appear automatically, go to View > Toolbars , check the box next to TOH Rebars , and close the window. Workflow: Modeling Your First Rebar Group
If the toolbar does not appear automatically, go to View > Toolbars and check the box next to TOH Rebars . Practical Workflow: Modeling a Reinforced Concrete Beam Step 1: Model the Concrete Host
Check authorized community forums or the developer's official web page for legacy free versions or community-supported releases. Verification Steps Before Installation
Ensure your concrete structural elements are modeled and grouped correctly before applying reinforcement.
If you encounter any issues during or after downloading the extension, try the following:
To download and install the TOH Rebars v120 extension for SketchUp, follow these steps:
is a structural reinforcement detailing extension for SketchUp designed to help engineers and architects quickly model and quantify steel reinforcement in concrete structures.
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Always keep your rebar geometry on a dedicated tag/layer (e.g., S-Rebar ) so you can toggle visibility off while working on other parts of your architectural model. System Requirements and Compatibility
| Feature | Description | | :--- | :--- | | | Main bars, stirrups, ties, and helical reinforcement. | | Customization | Adjust diameter (from #3 to #18 or metric 6mm to 32mm). | | Bend Shapes | Predefined 90°, 135°, 180° hooks and custom bends. | | Spacing Control | Automatic distribution along beams/columns. | | Layers | Separate layers for different bar types. | | Performance | Optimized to handle hundreds of bars without lag. |
Despite its usefulness, TOH Rebars V120 is an older tool. Here are frequent issues:
| Issue | Solution | | :--- | :--- | | | Downgrade to SketchUp 2021 or use the "RBZ Compatibility Fixer" script. | | Error: "undefined method" | Update your SketchUp Ruby console. Run Sketchup.send_action('show_extension_manager') first. | | Bar bending schedule is empty | Ensure all rebars are grouped as "TOH_Group" entities. Ungrouped geometry won't be read. | | MacOS permission denied | Right-click the .rbz > Open With > SketchUp (do not double-click). |
TOH Rebars is a specialized parametric modeling plugin built for structural engineers, detailers, and architects. It allows users to generate 3D steel reinforcement bars (rebars) instantly inside SketchUp.
The most straightforward approach to access and purchase the tool is through an authorized reseller. For users in Thailand, is a confirmed, legitimate source. They offer the latest Toh Rebars v1.5.5 , and their page also provides a direct download link for this version. This ensures you receive a clean, up-to-date version of the software. The official website is also a reliable source.