1. Construct the isosceles triangle 3" X 3" X 2½".

2. Draw the lines perpendicular to the sides, extending one inch.

3. Connect and draw laps.

4. On the side where the cover is attached -1/16" is added to the 1" lines; thus the cover is folded on a line 11/16" from the bottom of the box.

5. The cover overlaps ⅛" beyond the edge of box.