CAD tip # 5905:

You can define the order in the definition file - it sets all processed object types and layers. Using this definition you can e.g. - with a single command - move all your texts and dimensions on top of all hatches, AEC rooms below AEC walls and curtain walls, etc. Or you can define that the contents of layer BRIDGES will be drawn above the contents of the layers WATER*.

Entity types and layers are listed in the DOBT.TAB control file (see Readme). Example:

TEXT
DIMENSION
HATCH
AEC_WALL
AEC_SPACE
INSERT * LEGEND
* BRIDGES
* WATER*

Alternatively, you can define not the objects to be "sinked" but the objects to be "lifted". Add those definitions below the line:

^^^^^

You can download the DOBT utility from Download

In AutoCAD Architecture and AutoCAD Civil 3D you can also use the command LAYERORDER to define draworder by layer.