Select an existing grid to attach the grid line to.
Click thesymbol between two existing grid lines or outside the grid.
Tekla Structures creates the grid line and gives it a label using the labels of the adjacent grid lines. For example, a new grid line between the grid lines 1 and 2 receives the label 12*.
Add a grid line between two points
You can add new grid lines between two picked points.
On the Edit tab, click Grid and select Add grid line.
Select an existing grid to attach the grid line to.