The Concrete Structures 3D Designapp supports design range management.When you create new content, you must
specify the associated design range. Normal range is the default option and is sufficient in
the majority of cases. For more information, see 3DEXPERIENCE
Native Apps:
Introducing Design Range Management.
Normal range should be preferred for rebars design. It also recommended to specify 1 as
fixed 3D accuracy value in the Performance tab (Me > Preferences). For more information, see Customizing Preferences.