- Green: A Fixed part – By default, the first part in the design
- Grey: A Normal part
- Light Blue: an Active part that can be moved or dragged to a new position. The yellow double arrows show it can be dragged with you cursor.
- Dark Blue: Select a Part under the Connections Tab, to highlight in Dark Blue the parts that are connected to it. This way you can verify that everything is connected, and has fasteners.
