The ornamental design for a portable, modular voting booth, as shown and described.
FIG. 1 is a front-left perspective view of a portable, modular voting booth according to our new design.
FIG. 2 is a right side view of the portable, modular voting booth as in FIG. 1. The left side view of the portable, modular voting booth is a mirror image of FIG. 2.
FIG. 3 is a top view of the portable, modular voting booth as in FIGS. 1–2.
FIG. 4 is a bottom view of the portable, modular voting booth as in FIGS. 1–3.
FIG. 5 is a front view of the portable, modular voting booth as in FIGS. 1–4.
FIG. 6 is a back view of the portable, modular voting booth as in FIGS. 1–5.
The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design.