# Component Insertion

## Profile Line Tool

<figure><img src="/files/QvIhWmR1ZvGaXdwcPdqe" alt=""><figcaption></figcaption></figure>

Use the Profile Line section to manually add lines by specifying their distance and slope then clicking the `Add Line`.

If you need to erase lines you can click the `Back Up` button until you have removed the desired number of lines.

Clicking the `Close Profile` button will attempt to add the rest of the lines needed to close your profile shape and the `Clear Profile` button will erase all of your lines and leave you with an empty scene.


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