| Description | Type | Default | 
|---|---|---|
| Specifies the topology design optimization manufacturing constraint symmetry plane(s), extrude direction, or print direction depending on the TOPTMANCONSTR value specified. | 
			  +X/+Y/+Z/ -X/-Y/-Z/ XY/YZ/ZX/ XYYZ/YZZX/ XYZX/ XYYZZX  | 
XY |