The ornamental design for a combinationsawhorse and powertool stand, as shown and described.
FIG. 1 is a front, bottom, and right perspective view of a combination sawhorse and power tool stand showing my new design;
FIG. 2 is a front, top, and right perspective view thereof;
FIG. 3 is a front perspective view thereof;
FIG. 4 is a back side elevation view thereof;
FIG. 5 is a left side elevation view thereof;
FIG. 6 is a right side elevation view thereof;
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom plan view thereof.
The broken lines in the drawings are included for the purpose of illustrating portions of the combination sawhorse and power stool stand which form no part of the claimed design.