The user can create a joint entity as follows.
• Point
• Point: Selects a point on two bodies to define the location of fixed joint.
• Body, Body, Point
• Body: Selects a base body of fixed joint.
• Body: Selects an action body of fixed joint.
• Point: Selects a point to define the location of fixed joint.
• Body, Multibody
• Body: Selects a base body of fixed joint.
• Multibody: Selects action bodies of fixed joint. The location of fixed joint is to be CM marker of the action body.