# Support Lines
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**Navigation:** Bridge Geometry > Support Lines
For detailed parameter explanations, see the [Support Lines Reference](https://docs.openbrim.org/templates/steel-i-girder-bridge-workflow/bridge-geometry-sig/support-lines-sig).
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**Step 1:** Click **three-dots icon** on **Bridge** cell and set a bridge alignment as **BRG1**.
**Step 2:** Keep the **Station, Skew Angle** and **Transverse Offset** as default.
Quick Tip: Skew Angle
Quick Tip: Skew Angle 2
Quick Tip: Transverse Offset
Offset values use PGL as the reference point.
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**Step 3:** Set name as **Abut1**.
**Step 4:** When the steps are completed, the shared screenshot displayed in the adjacent cell should be visible in the 3D view of OpenBrIM.
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The completed support lines are illustrated below. Please verify that you have the same model on your end by examining each view provided here. For more information on how to perform visual checks, refer to the quick tips.
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Quick Tip: Learn how to show Model
Click on the arrow button above the Analysis button located in the upper-left corner of the OpenBrIM screen.
Click on the Model button on the screen that opens up.
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To view the entire procedure explained on this page, please watch the recorded Video below.
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Support Lines
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