Floor joists are drawn using a polygon shape. You can edit the joist properties, including size and material, on the Properties pane in the right sidebar before or after you add it to your design.

To see framing components in 3D, enable the Framing rendering style. For more information, see “Accessing the 3D Rendering Styles”

To add flooring joists

1 Choose the Framing Joist button from the Framing Tools group.

2 On the Properties pane, choose how you want to draw the shape.

3 Use the Define 2D Shape drawing method to draw the floor joist section.

This example shows a floor joist drawn using the Closed Polygon shape