The ornamental design for a foldablecamerastand, as shown and described.
FIG. 1 is a first perspective view of a foldable camera stand showing my new design;
FIG. 2 is a second perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a back view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a top view thereof;
FIG. 8 is a bottom view thereof; and,
FIG. 9 is an enlarged view of the selected portion in FIG. 1.
The broken lines shown in the drawings depict portions of the foldable camera stand in which the design is embodied and form no part of the claimed design. The long dash-short dash broken lines depict areas of enlargement and form no part of the claimed design.