Choose Layers > Element > Standard Plan.
You will now see a somewhat random mesh. This produces reasonable results, but a regular mesh is better. You can regenerate a significantly improved mesh
once you have defined design strips. This mesh is shown in the third figure.
Element: Standard Plan (ACI318 example dimensions).
Element: Standard Plan (AS3600, BS8110, EC2, IS 456 and CSA A23.3 example).
Element: Standard Plan after regeneration (for ACI318 example; the metric codes produce a similar mesh)