Download and print all pages of the artwork on Canon Photo Paper MP-101.
Cut along the outlines.
Score the centre of each piece with a used ball-point pen, and fold in half.
Apply double-sided tape or glue to the blank side of each piece.
Fold in half and adhere. Then use the used ball-point pen again to poke holes where indicated.
Insert a piece of string through the holes.
Tie the string together.
Your door sign is now ready, time to open up!