Share Email Facebook Twitter LinkedIn To Automatically Enable Mechanical Structure for Any New Drawing You Create (AutoCAD Mechanical Toolset) At the Command prompt, enter OPTIONS. Click the AM:Structure tab. Select the Always enable structure for new drawings check box. Related Concepts About Enabling the Mechanical Structure Environment (AutoCAD Mechanical Toolset)About Mechanical Structure (AutoCAD Mechanical Toolset) Related Tasks To Enable Mechanical Structure for the Current Drawing (AutoCAD Mechanical Toolset)To Disable Mechanical Structure (AutoCAD Mechanical Toolset)To Turn on the Mechanical Browser (AutoCAD Mechanical Toolset) Related Reference Disable Mechanical Structure - Warning Message (AutoCAD Mechanical Toolset)Commands for Working With Mechanical Structure (AutoCAD Mechanical Toolset)