Make selection of the settings as needed. Select the style for the mass element.

Select layer or inherit the layer of the polyline. Specify the extrusion depth. Add property set automatically will add any property set that applies to mass element objects.

For angled timber it can be useful to select prompt for alignment axis 2 points. If the polyline should be deleted select erase 2D geometry. Click on Select Polylines and select one or multiple polylines. Press OK.

The installer that ran when you downloaded this app from Autodesk App Store will start installing the app. Or, double-click the downloaded installer to install the app. You may need to restart the Autodesk product to be able to run the app.

To uninstall this app, exit the Autodesk product if you are currently running it.

On Windows 11 and 10 version 1703 or later press Windows+I on the keyboard to access Settings or click or right-click the Windows Start button and then select Settings. Click on Apps (optionally followed by Apps & features). On older Window versions click Control Panel > Programs > Programs and Features or Control Panel > Add.

For more about TimberTool.