Kinematic mount having three points of contact

A method of stabilizing a rigid body within an enclosure, the method comprising:

• surrounding the rigid body with a mount within the enclosure, wherein the mount comprises:
• exactly three pairs of a pin and spherical bearing harnessing said rigid body in six degrees of freedom, wherein each one of the three pairs restricts a displacement of the rigid body in two degrees of freedom, and provides a freedom of movement in the other four degrees of freedom, said exactly three pairs comprising:
• a first pair comprising a first pin and first spherical bearing, wherein the first pin is movable within the first spherical bearing while being in direct contact with the rigid body such that two degrees of freedom restriction are provided to the displacement of the rigid body;
• a second pair comprising a second pin and second spherical bearing, wherein the second pin is movable within the second spherical bearing while being in direct contact with the rigid body such that two degrees of freedom restriction are provided to the displacement of the rigid body;
• and
• a third pair comprising a third pin and third spherical bearing, wherein the third pin is movable within the third spherical bearing while being in direct contact with the rigid body such that two degrees of freedom restriction are provided to the displacement of the rigid body;
• and
• moving at least one of:
• the first pair, the second pair, and the third pair, in response to restriction in displacement on the remaining pair,
• wherein the first spherical bearing, the second spherical bearing, and the third spherical bearing are fixed to the mount,
• wherein the mount surrounding the rigid body is a separated element from the enclosure and from the rigid body and is located between the enclosure and the rigid body.