Pre-form

FIG. 1 is a front-left perspective view of a pre-form showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a cross-sectional view thereof taken along 7 - 7 in FIG. 4 ;

FIG. 8 is a cross-sectional view thereof taken along 8 - 8 in FIG. 4 ;

FIG. 9 is a left side view thereof;

FIG. 10 is a cross-sectional view taken along 10 - 10 in FIG. 9 ; and,

FIG. 11 is a cross-sectional view taken along 11 - 11 in FIG. 9 .

The portion of the article shown in broken lines forms no part of the claimed design.