As you work with rounds, you may encounter a situation when more than one possible placement location exists for the current round set. This can happen when two surfaces intersect in multiple, distinct locations. If this situation occurs, placement ambiguity results in which the placement of the round pieces is unclear due to the selected references and part geometry.
Pro/ENGINEER enables you to easily address placement ambiguity using two methods. The table below illustrates the two types of placement ambiguity and the methods used to address them: