Monitor base support

FIG. 1 is a front, top and right-side perspective view of a monitor base support showing my new design;

FIG. 2 is a top, right-side and front perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a left-side elevational view thereof; and,

FIG. 7 is a right-side elevational view thereof.

The broken line showing the portion of the monitor in FIG. 1, the broken line showing the top interior portion of the monitor base support in FIGS. 2 and 4, and the broken line showing the bottom portion of the monitor base support in FIG. 5 is for illustrative purposes only and forms no part of the claimed design.