How to make a LWPLOLYLINE all Z = 0
See the attached DWG file and the list of the following object:
LWPOLYLINE Layer: "0"
Space: Model space
Color: 1 (red) Linetype: "BYLAYER"
Handle = 7e
Closed
Constant width 0.0000
Extrusion direction relative to UCS:
X= 0.0042 Y= 0.0177 Z= 0.9998
area 166.9314
perimeter 52.2853
at point X= 6.5050 Y= 8.9791 Z= -0.1863 <<<<<<=====
at point X= 18.6962 Y= 0.1492 Z= -0.0809 <<<<<<=====
at point X= 12.1911 Y= -8.8299 Z= 0.1054 <<<<<<=====
at point X= 0.0000 Y= 0.0000 Z= 0.0000 <<<<<<=====