| Name | Value | Description |
| AxisMachinePartType | 1 | Part type for a part that represents a machine axis. |
| BasicMachinePartType | 0 | Basic type for machine parts. Can be used to represent non-moving elements of the machine such as the machine's base or an enclosure. |
| FixtureAttachmentMachinePartType | 3 | Part type for a part that represents the attachment point and orientation for work holding. |
| ToolAttachmentMachinePartType | 2 | Part type for a part that represents the attachment point and orientation for a tool or tool holder. |