Creating Part Models New Part models are created from a default template, which contains default datum planes and a coordinate system. Default datum planes provide 3 orthogonal planes in 3D space that can be used as initial references when creating features on models. All default templates in this tutorial are setup to use millimeters.

1. Click New from the main toolbar.
   • Select Part as the Type.
   • Type PISTON_PIN as the Name and press ENTER.

New Part Model

	If you cannot see the Datum Planes, click Datum Planes  from the main toolbar.

2. Click Datum Axes , Datum Points , and Coordinate Systems from the main toolbar (top of the screen) to disable their display.