1. Export Library
2. Abstract Generator
a. Pin
b. Extract
c. Abstract
d. Verify
e. Export to .LEF
The final step is to export the abstract to .lef file.
First click Cells -> Cell properties... Make sure that the window looks like this
Click OK and click File -> General Options...
Change LEF Units to 100 and click OK.
Click OK and then click File-> Export -> LEF...
Enter the .lef file name and change Export LEF for Bin from All to Core.
Click OK and place and route information is now in the .lef file.