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Boxpleating guide 1 How to fold Box Pleated CPs Part - Understanding the CP We ? ll start with a CP in the form which you will most likely encounter on the Internet namely with no information included except for the creases This design of mine will become

How to fold Box Pleated CPs Part - Understanding the CP We ? ll start with a CP in the form which you will most likely encounter on the Internet namely with no information included except for the creases This design of mine will become an Old World Porcupine and I chose it for this guide because it o ?ers most of the challenges you will encounter in box pleated CPs while still being of an intermediate di ?culty level Before we start folding we will need to understand this CP a bit better How many aps are there Where are the aps How long are the aps The end points of the aps can be determined very easily in the CP They are the points where both horizontals and both diagonals come together For points on the edge of the paper you will have to add the missing lines that would be outside of the paper in thought centre ap edge ap corner ap Guide by Gerwin Sturm Porcupine designed by Gerwin Sturm CLet ? s apply this knowledge to the CP at hand You should ?nd aps in this CP which is quite a lot To determine the length of the aps we ?rst have to know how a ap looks like in the CP A ap will always have the form of a square in varying sizes with the just found end points as centre An exception are edge aps which might seem to be rectangles because a part of the square is outside of the paper unit ap unit ap unit ap unit ap The crease distribution inside a ap square will always look exactly the same so when trying to ?nd the length of a ap we are looking for the largest possible square around the ap end point which looks like in the picture above CLet ? s try this for one point in the CP unit ap - ok unit ap - ok We see that this ap is units long Let ? s do this for the rest of the CP unit ap - fail What is left between the squares are so called rivers which will separate the aps from each other Those might for example be arms that separate the ?ngers from the rest of the model a neck that separates the head from the rest of the model a body that separates the arms from the legs etc CAll of what I have explained so far works well for what I like to call ??perfect ? square packings i e each ap only takes up the space it needs without any ??wasted ? space In such cases the square packing only consists of squares and rivers But there are several reasons when the designer needs to put more paper into a ap f e so that the paper can be spread in the ?nishing process to create broader aps for wings clothes etc or because a perfect square packing