forked from viewit/OrcaSlicer-KX
when the original shared_mesh can not be found we will insert the first one as shared Change-Id: Iea2f505584fcc8fc1f9bbd3882209b042b007a92
when the original shared_mesh can not be found we will insert the first one as shared Change-Id: Iea2f505584fcc8fc1f9bbd3882209b042b007a92