Ⅰ. Overview

By entering the stair parameters, you can generate a complete set of stair railing parts with a single click using the Railing Order Splitting feature.

This tutorial focuses on the functionality available when Railing Type is set to Guardrail.

Notice: For more information about Guardrail and Security Grille, refer to Railing Order Splitting (Staircase), Railing Order Splitting (Typical-Security Grille) and Railing Order Splitting (Simple-Security Grille).

When Guardrail is selected as the railing type, the following key terms are used throughout the feature, as illustrated below:

Ⅱ. How to use

1.About Version and License

The Railing Order Splitting feature is available only in TubesT (Steel Structure Version, Professional Version, 2-Chuck Version, and Entry Version). It is currently not supported in TubesT-H.

Feature availability by version:

2.Accessing the Feature

Click Railing Order Splitting in the left-side toolbar of the main interface to open the feature window.

3.Configure Parameters and Preview

After entering the Railing Order Splitting interface:

• • • The left panel is the Parameter Settings Area.
    • The right panel is the Model Preview Area.

The preview updates in real time according to the current parameter settings.

You can freely zoom, rotate, and move the stair model during preview:

Additional operations are also available in the preview area:

Open

Open a previously saved stair railing parameter file (typically a *.hdr file).

Save As

Save the current stair railing configuration. The next time you click Open, selecting the saved *.hdr file will restore all parameter settings.

Measure

Measure the distance between any two selected points.

Label

Show or hide dimensional annotations in the preview.

Preferences

Configure default preferences, such as the Handrail Measurement method and preferred Post Measurement Points.

4.Generate Parts

Click Create Part to generate a complete set of stair railing parts in the parts list.

You can navigate through the parameter pages by:

• • • Clicking Next in the lower-right corner of the parameter panel, or
    • Clicking a section title directly to jump to that page.

Regardless of which parameter page you are currently editing, once the preview matches your design requirements, simply click Create Part above the preview window to proceed to the nesting interface.

After the parts are generated, continue with the standard workflow: nesting, sorting, and exporting.

Ⅲ.Parameters for Guardrail

1.Appearance

(1) Rails: You can select either Single-Rail or Double-Rail.

• • • Single-Rail: Includes only the lower rail.
    • Double-Rail: Adds an upper rail in addition to the lower rail.

（2）Railing Segments: Defines how many sections the railing is divided into by adding inner posts between the first and last posts. Up to 3 segments are currently supported.

（3）Inner Posts: Posts that provide structural support for the guardrail. By default, Single Post is selected. When Railing Segments is set to 2 Segments or 3 Segments, you can choose Single Post and Double Posts.

2.Section

You need configure detailed section information for the Handrail, Posts, Rails, and Balusters.

Available section types include: 

• • • Circular Tube
    • Square Tube
    • Rectangular Tube
    • Obround Tube
    • Elliptical Tube

3.Dimensions

You need configure detailed dimensions for the Handrail, Posts, Balusters, and Rails.

The Dimensions page includes the important parameter Spacing, which refers to the clear horizontal distance between two adjacent members.

Depending on its location, spacing is divided into the following types:

4.Assembly

You need configure Assembly, Technique, Quantity of Sets, and Parts List.

（1）Assembly

Defines how components are connected. Assembly methods can be configured for Position A, Position B, and Position C. 

Three assembly methods are available:

• • • Marking layer for welding
    • Cutting layer for assembly
    • No assembly

• • • Handrail: Extend ends: Extends both ends of the handrail by the specified length.

*Enabling this option affects the actual spacing at both ends of the handrail.

• • • Post: Extend bottom: Extends the bottom of the post by the specified length.

      If the final post length cannot be confirmed in advance, the post can be processed to the maximum expected length and trimmed on-site during installation.

(2) Technique

For cutoff line, the following options are available: Weld Seam Compensation, Bevel and No Technique.

For tube holes, the following options are available: Intersect Hole, Maximum Outline, Bevel and No Technique.

(3) Quantity of Sets: Specifies the number of stair railing sets to generate.

(4) Parts List

• • • Parts Name: Supports custom part names. By default, part names are generated based on the component type and dimensional parameters.
    • Total: Displays the quantity of each part required for the selected number of sets.
    •  Length (mm)Qty: Click the top right corner to obtain the required tube length and quantity for the generated parts.

*The displayed length is for reference only. Actual part lengths shown in the cutting software shall prevail.

Ⅳ. FAQs

1.Can the generated parts be modified in the Draw Part (TubeDraw) interface?

No. If you need to edit the generated parts, use the Add Stair Part feature instead. Although it cannot generate a complete stair railing set automatically, the resulting parts can be modified afterward.

2.How can identical parts be merged?

Enable Merge Identical Parts in User Settings. 

3. What should I do if the default dimensions do not match my measurement preference?

Click Preferences on the top toolbar and select the desired measurement preference.

You can choose the option that best matches your measurement habits.