From FreeCAD Documentation
- Select any face of a previously created Arch Structure object.
- Then select Straight Rebar from the rebar tools.
- A task panel will pop-out on the left side of the screen as shown below.
- Select the desired orientation.
- Give the inputs like 'Front cover', 'Right side cover', 'Left side cover', 'Bottom cover' and 'Diameter' of the rebar.
- Select the mode of distribution either 'Amount' or 'Spacing'.
- If spacing is selected, a user can also opt for custom spacing.
- Pick Selected Face is used to verify or change the face for rebar distribution.
- Click OK or Apply to generate the rebars.
- Click Cancel to exit the task panel.