The ornamental design for a chair for 4dcinema, as shown and described.
FIG. 1 is a perspective view of a chair for 4D cinema showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof where the right side view is a mirror image;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof; and
FIG. 7 is a left side view thereof showing the state in which the upper part and the front part of the chair for 4D cinema have been tilted during operation; and,
FIG. 8 is a perspective view thereof showing the state of operating.
The broken lines are for illustrative purposes only and form no part of the claimed design.