Portable laptop lifter from corrugated board.
Recommended board thickness: B (3 mm)
Cut out the drawing manually or find some nerby digital die cutting studio. Black lines are cut lines, red lines are crease.
Glue the side flaps back to the body.
First bend the top flaps down and add glue on it.
Bend it half by the double crease and glue the two top flaps together.
