Concrete slab reinforcement tool

Concrete slab reinforcement tool

Win64, English

Create reinforcement for irregularly shaped slabs, including: area reinforcement layout, cross-section sketching, dimensioning, annotating, quantity takeoff... Imperial & Metric system supported.

General Usage Instructions

The procedures to draw a reinforced slab: 


A. Establish settings

1. Select default language + measurement system

2. Model unit  & paper unit

3. Naming convention

4. Rebar standard, rebar grade

These are the most important settings that need preparing before drawing.  To save time, users may load preset settings files included in the installation folder.

A good settings can be saved and reuse later.


B. Draw rebars

1. Select a concrete boundary, rotate the boundary polyline so that the main rebar directions are parallel to X, Y direction of Autodesk® AutoCAD® model space

2. Select  rebar mesh postion (top/bottom)

3. For each mesh, enter the following data for a rebar group: Direction, mark (name), ordinal number, diameter, spacing, spacing option, concrete cover

Add the data to Rebar Group table, each rebar group is corresponding to a row in Rebar Group table.  Rebar group table can be saved and reused for other slabs.

4. Draw main rebar groups

5. Add spacers/links

6. Draw cross-sections

7. Add Dimensions

8. Add annotations

9. Draw rebar detailing

10. Quantity takeoff

11. Plot




  • Structure analysis/ calculation should be done by another process;
  • Steps A, B1 to B4 should be carried out by experienced engineers.  However, these steps' results can be saved and reused;
  • Time-consuming steps B5 to B11 do not require skilled labor.


Ribbon/Toolbar Icon Command Command Description


Open main dialog of Concrete slab reinforcement tool


Open App data folder


Open App settings dialog


Select initial measurement system and language for a new drawing. Previous saved drawings with embedded settings do not affected by this.


Clear settings embedded in previously slab drawing saved during App dialog is active.


The installer that ran when you downloaded this app/plug-in from the Autodesk App Store will start installing the app/plug-in. OR, simply double-click the downloaded installer to install the app/plugin.  You may need to restart the Autodesk product to activate the app/plug-in. To uninstall this plug-in, exit the Autodesk product if you are currently running it, simply rerun the installer, and select the "Uninstall" button. OR, click Control Panel > Programs > Programs and Features (Windows 7/8.1/10/11) and uninstall as you would any other application from your system.

Additional Information

You should not mix imperial and metric unit in one drawing. You can try, but the result may be inaccurate.

Known Issues

1. In some case, this App cannot connect Excel® in Microsoft® 365 (Office® 365).  The NTCL Error message: "Cannot open Microsoft® Excel®" appears right after App is called.

This error can be fixed by running "Quick repair" on Microsoft® 365 (Office® 365). For more information, please refer to:

2. Sometime < style overrides>  dimension style may appear in Dimension Style Manager dialog box.  In such case, just ignore the <style overrides> and continue with the main Dimension style.

For more information about < style overrides>, please refer to this article: Dimension style overrides automatically created after opening a drawing in AutoCAD


Company Name: NTCL Soft
Support Contact:

Author/Company Information


Support Information

For questions/comments/suggestions/bug reports etc please send an email to 

For more information about the license, please visit:

Version History

Version Number Version Description

Bug fixes: - App may display improperly when Windows DPI value over 100 Improvement: - Ready for the next AutoCAD version

Initial version.
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