Contents Designing » Datum Objects and Relationships » Inserting Origins » Inserting an Origin Using the Move Tool » Inserting an Origin at the Center of Mass or VolumePrint page Inserting an Origin at the Center of Mass or Volume Click Mass tool from the Analysis group on the Measure tab. Select the solid at whose center you want to place the origin. Axes appear at the center of mass or volume. Select the Origin tool in the Insert ribbon group. The origin appears at the center of mass or volume. « Inserting an Origin at the Mid-point Between Two PointsPlacing the Sketch Grid on an Origin »