The ornamental design for a cameraattachmentanchor, as shown and described.
FIG. 1 is a top plan view of a camera attachment anchor showing our new design; the bottom plan view is a mirror image of the top plan view.
FIG. 2 is a right side elevational view of the camera attachment anchor; the left side elevational view is a mirror image of the right side elevational view.
FIG. 3 is a front elevational view of the camera attachment anchor.
FIG. 4 is a back elevational view of the camera attachment anchor.
FIG. 5 is a top, right, and back perspective view of the camera attachment anchor; and,
FIG. 6 is a top, right, and front perspective view of the camera attachment anchor.