3DDWFPREC system variable
Function Description:
The Function Description: system variable is used to control the publishing precision of 3D DWF of 3D DWFx.
Type : Integer 
Saved in :  Drawing 
Initial value :  2 
Range :  1 ~ 6
System Variable Value:
Value = Precision
1 = 1 
2 = 0.5 
3 = 0.2 
4 = 0.1 
5 = 0.01 
6 = 0.001
Note: Users could create multiple pages of DWF or DWFx in large size when setting the 3DDWFPREC system variable to be 5 or 6.
The higher value of 3DDWFPREC system variable, the finer precision.