A plurality of original images of a subject viewed from different viewpoints are acquired. Specifically, embodiments of the present invention are directed to a seat cushion comprising an air chamber and with an areas corresponding the coccyx, perineum area, left and right thighs of a user when the user is in a standard sitting position. An actuator assembly of the handle is configured for affecting the operation of one or more scanning functions and is positioned in an aperture of the handle body for access by one or more fingers of the user’s hand.