Draw a rectangle 7"x5".

Draw lines 1" inside and parallel to sides of rectangle.

Draw ¼" flap lines in the corner squares.

Produce the diagonal of corner squares and the same will cut flap lines obliquely as shown in drawing. Cut around figure on the full lines. Score on dashed lines. Fold sides of box inward.

Fold flaps outward and fasten corner with floss as shown in sketch. Material: Tagboard.