b'DifficultStep 1 Step 2 Step 3Start with the colouredTurn theFold and unfold side of the paper facingpaper over. from side to up. Fold and unfoldside, both ways.both diagonals.Step 4 Step 5 Step 6Collapse alongYou should have aRotate the shape 180 the existingsquare shape withdegrees so that the closed creases to formfolds on either sidecorner is at the bottom.a square base. and another squareFold the uppermost shape underneath. right-hand ap inwards so that its bottom edge lines up with the centre line.Step 7 Step 8 Step 9Repeat with theTurn over andCut o the visible left-hand ap. repeat steps 6aps coming out of and 7. the diamond.Step 10 Step 11 Step 12Open the paper upStarting with a sectionSpread out aps and refold in anbelow an innermost slit, foldaccordingly and enjoy.concertina eect. a small triangle downwards,(You can glue the Using scissors, cutnishing the point at theinsides so it stays parallel lines halfouter edge of the slit below.supported.)way into each ap. Do this to every visible slit.www.origami-resource-center.com 17.'