<xs:simpleType name="ShapeClassEnumType">
  <xs:annotation>
    <xs:documentation>The ShapeClassEnumType enumerates values that describe the shape class of a part. FREEFORM includes curved shapes such as turbine blades. PRISMATIC parts are non-rotational. THINWALLED is also known as sheet metal.</xs:documentation>
  </xs:annotation>
  <xs:restriction base="xs:NMTOKEN">
    <xs:enumeration value="GEAR"/>
    <xs:enumeration value="FREEFORM"/>
    <xs:enumeration value="PRISMATIC"/>
    <xs:enumeration value="ROTATIONAL"/>
    <xs:enumeration value="THINWALLED"/>
  </xs:restriction>
</xs:simpleType>