To position a plaque use either the Target button in the Setup window, the Target view item of the View menu, or manually rotate the eye until you are looking directly at the tumor base.

Manually drag the plaque on the eye surface in the Setup window, or go to the Setup menu and select Center plaque on and Tumor base.

Rotate the plaque as necessary using the plaque rotation control in the Setup window to orient the suture eyelets towards the front of the eye.

The final setup should look like this.