FIG. 1 is a front, top perspective view of an open-walled cooling environment showing the new design;
FIG. 2 is a front elevation view of the invention illustrated in FIG. 1;
FIG. 3 is a rear elevation view of the invention illustrated in FIG. 1;
FIG. 4 is a right side view of the invention illustrated in FIG. 1;
FIG. 5 is a left side view of the invention illustrated in FIG. 1;
FIG. 6 is a top view of the invention illustrated in FIG. 1;
FIG. 7 is a bottom view of the invention illustrated in FIG. 1;
FIG. 8 is a front, bottom perspective view of the invention illustrated in FIG. 1;
FIG. 9 is a cross-sectional view taken along lines 9-9 of FIG. 2;
FIG. 10 is a front, top perspective view of an open-walled cooling environment showing a second embodiment of the new design;
FIG. 11 is a front elevation view of the invention illustrated in FIG. 10;
FIG. 12 is a rear elevation view of the invention illustrated in FIG. 10;
FIG. 13 is a right side view of the invention illustrated in FIG. 10;
FIG. 14 is a left side view of the invention illustrated in FIG. 10;
FIG. 15 is a top view of the invention illustrated in FIG. 10;
FIG. 16 is a bottom view of the invention illustrated in FIG. 10;
FIG. 17 is a front, top perspective view of an open-walled cooling environment showing a third embodiment of the new design;
FIG. 18 is a front elevation view of the invention illustrated in FIG. 17;
FIG. 19 is a rear elevation view of the invention illustrated in FIG. 17;
FIG. 20 is a right side view of the invention illustrated in FIG. 17;
FIG. 21 is a left side view of the invention illustrated in FIG. 17;
FIG. 22 is a top view of the invention illustrated in FIG. 17;
FIG. 23 is a bottom view of the invention illustrated in FIG. 17;
FIG. 24 is a front, top perspective view of an open-walled cooling environment showing a fourth embodiment of the new design;
FIG. 25 is a front elevation view of the invention illustrated in FIG. 24;
FIG. 26 is a rear elevation view of the invention illustrated in FIG. 24;
FIG. 27 is a right side view of the invention illustrated in FIG. 24;
FIG. 28 is a left side view of the invention illustrated in FIG. 24;
FIG. 29 is a top view of the invention illustrated in FIG. 24;
FIG. 30 is a bottom view of the invention illustrated in FIG. 24;
FIG. 31 is a front, top perspective view of an open-walled cooling environment showing a fifth embodiment of the new design;
FIG. 32 is a front elevation view of the invention illustrated in FIG. 31;
FIG. 33 is a rear elevation view of the invention illustrated in FIG. 31;
FIG. 34 is a right side view of the invention illustrated in FIG. 31;
FIG. 35 is a left side view of the invention illustrated in FIG. 31;
FIG. 36 is a top view of the invention illustrated in FIG. 31; and,
FIG. 37 is a bottom view of the invention illustrated in FIG. 31.
The broken lines in the drawings depict portions of the open-walled cooling environment that form no part of the claimed design. The break lines in the drawings indicate that any portion of the article beyond what is shown forms no part of the claimed design.