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start by folding the paper in half
the coloured side up
turn the sheet
then fold diagonally in both directions
and unfold
make those creases very precise
so take your time and aline the edges
and crease carefully
repeat this in the other direction
now colapse your sheet [see diagram]
this is the waterbomb base
make sure that the open part points toward yourself
fold the upper 2 of the 4 flaps upwards
in a 45° angle, so the tips touch the upper corner
turn the model
pull the lower corner above the edge,
so a triangle stands over
you'll notice the curved paper
fold it down in an triagle shape
try to do both wings the same way
then flaten everything
fold the top-triangle in a zig-zack line
first down, then up again
fold the butterfly in half
then fold the wings down in an angle [see diagram]
and that is your butterfly!