Modified: 1 Apr 2026

2026

Tekla Structural Designer

Rationalize the model

You can use the Rationalize command to remove all unused planes (e.g. construction levels, frames, and sloped planes), grids, and construction lines from your model.

The Rationalize command also allows you to update all grid and construction lines to extend only a short length beyond the point where they are required.

If your goal is to realign entities that are slightly out of plane rather than removing unused items, you should use the Planarize command instead.

Remove unused planes, grids, and construction lines

On the Edit ribbon, click Rationalize.

The Rationalize dialog box opens.
Select the unused items that you want to remove.
Click OK.

Tekla Structural Designer deletes the unused items of the selected types.

Update grid and construction line length

On the Edit ribbon, click Rationalize.

The Rationalize dialog box opens.
Select Shrink/Extend Grid & Construction lines.
Click OK.

Tekla Structural Designer updates all grid and construction lines in the model to extend a fixed length (500 mm / 1'8") beyond the point where they are required.

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