Powder sifter

[0001]FIG. 1 is a top, front, left side perspective view of a powder sifter according to our new design;

[0002]FIG. 2 is a front elevation view thereof;

[0003]FIG. 3 is a rear elevation view thereof;

[0004]FIG. 4 is a left side elevation view thereof;

[0005]FIG. 5 is a right side elevation view thereof;

[0006]FIG. 6 is a top plan view thereof;

[0007]FIG. 7 is a bottom plan view thereof; and,

[0008]FIG. 8 is a bottom, front, right side view thereof.

[0009]The dash-dash broken lines illustrate portions of the powder sifter that form no part of the claimed design. The dot-dash broken lines represent boundaries of the claimed design and form no part of the claimed design.

[0010]The diagonal shading represents a transparent or translucent appearance.