The ornamental design for a steamfootspamachine, as shown.
FIG. 1 is a perspective view of a steam foot spa machine showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a perspective view thereof with the upper cover folded down.
The broken line showing of parts of the drawings is included for the purpose of illustrating use and environment and forms no part of the claimed design.