Image Number 4 for United States Patent #4026041.
A two dimensional drawing board manikin adapted to lay flat on either side and having a head, neck and three part torso which are pivotable with respect to each other with the movement of the parts being limited by limit motion stops to anatomically correct positions. Removable limbs are attached to the torso which may be positioned to represent various anatomically correct positions. Eye, ear, carotid sinus and aortic valve positioning holes and slots are provided. Alignment and positioning holes are provided around the various pivots between the parts.