*SBDM
r1, r2, r3, r4
r1: r*8: min x-coordinate
r2: r*8: max x-coordinate
r3: r*8: min y-coordinate
r4: r*8: max y-coordinate
This card is used in conjunction with *AUTM, or *STLF to define the XY coordinates of the substrate beyond the bounding box of the part. The following figure illustrates the option.
Assigning substrate geometry using *SBDM