FIG. 1 is a view of a first side of a first embodiment of a twelve-sided dodecahedron.
FIG. 2 is a view of a second side of the first embodiment.
FIG. 3 is a view of a third side of the first embodiment.
FIG. 4 is a view of a fourth side of the first embodiment.
FIG. 5 is a view of a fifth side of the first embodiment.
FIG. 6 is a view of a sixth side of the first embodiment.
FIG. 7 is a view of a seventh side of the first embodiment.
FIG. 8 is a view of a eight side of the first embodiment.
FIG. 9 is a view of a ninth side of the first embodiment.
FIG. 10 is a view of a tenth side of the first embodiment.
FIG. 11 is a view of a eleventh side of the first embodiment; and,
FIG. 12 is a view of a twelfth side of the first embodiment.
The ornamental design of a timer as shown includes the shape as shown. One embodiment includes times marked on 12 sides as shown in FIGS. 1 through 12.