> For the complete documentation index, see [llms.txt](https://docs.besmart.software/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.besmart.software/3d-modeling-and-design/archive/wood-framing-work-in-progress/truss-wood-framing/modify-roof-truss-type.md).

# Modify Roof Truss Type

* Select a truss which is created with the **Truss Builder** and select **Modify Roof Truss Type** directly from **Truss+** menu

![](/files/b5fJqOzzsNMRW5yD5rwl)

* Modify bottom chord parameters and web design in the graphical window of **Truss Builder**
* You can overwrite existing truss with new design or create a new Truss Family

![](/files/1Fz91UtYYc57h60QGvfv)

![](/files/W1jJefZlxJOHpgiKEb0Z)


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