The ornamental design for a ricesheetmachine, as shown and described.
FIG. 1 is a perspective view of a rice sheet machine showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a top plan view thereof; and
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a partially enlarged front elevational view thereof at the area 8 of FIG. 2.
The broken lines illustrate portions of the rice sheet machine and form no part of the claimed design. The single dot-dash broken lines define the boundaries of the claimed design and form no part of the claimed design.