Creating the bodies, the joints or the forces, you can attach these entities at:
•Geometry
•Vertex
•Center point of an arc
•Center point of a circle
•Centers of two sides of a cylinder
•Center of a sphere
•Marker
•Parametric point
•Grid
•Flexible body
•Node
In the arc, circle and cylinder, when the cursor is near to circle, arc and a side of a cylinder, the point is navigated.
Figure 1 Point navigation