Creo Direct > Designing in the Creo Direct Environment > Working in Part Mode > Working with 3D Geometry > Creating Datum Geometry > References for Creating a Datum Plane
  
References for Creating a Datum Plane
The Options list in the Options Toolbar for a datum plane display the following conditions based on the geometric references that you have selected:
Conditions
Description
Through
Places the new datum plane through the selected reference.
Offset
Places the new datum plane at an offset distance from the selected reference. Pull the dragger that appears to adjust the offset distance. Alternatively, double-click the offset value and type a new value.
Parallel
Places the new datum parallel to the selected reference.
Normal
Places the new datum plane normal to the selected reference.
Tangent
Places the new datum plane tangent to the selected reference.
 
* The conditions appear in the Options list on the Options Toolbar only when you select relevant geometric placement references.