Planmeca FIT CAD System User Manual page 146

16 Customizing restoration design
138 Planmeca FIT CAD/CAM system
4. On the tooth libraries click the Contralateral button.
5. Continue the design normally.
NOTE
Any changes on the Plan tab for the second tooth is ignored when a design
is being copied. The position of the contralateral design is based on the
orientation of both preparations. Check the orientation of both teeth.
User's manual