System Variable Entry: CTAB

CTAB

string

"Model"

no

drawing; saved in drawing

Determines whether the drawing area displays the Model tab or a specified layout tab.

AutoCAD and BricsCAD. AutoCAD all; BricsCAD V20+.

• AutoCAD: https://help.autodesk.com/view/ACD/2026/ENU/?guid=GUID-20529853-0C88-4417-8D8C-9783E9789BBC
• BricsCAD: https://help.bricsys.com/en-us/document/system-variable-reference/c/ctab-system-variable