This technique for weaving a ball from strips is similar to the one shown in the Greek Paper Football Instructable but it uses 10 strips rather than 6.  As far as I can tell there isn’t already a 10-strip Instructable, but apologies if I’ve missed it.  I found the technique on a Japanese website where it is described as a Ten-Rings Cane-Ball.

You can make balls from strips of any material that has the right combination of stiffness and flexibility, like stiffened fabric, chair cane (soak it first), plastic sheet or the veneer strips meant for edging furniture.   My next task will be to weave a lampshade from some plastic post-factory waste strips that are (I think) polypropylene and came from the Leeds Scrap Warehouse.

The weaving process is a little tricky, so I suggest you start by making a ball from paper to get used to the technique.  An A4 sheet (297 mm x 210 mm) will make a ball that is about 85 mm diameter, because each 297 mm long strip goes right round the circumference.  Therefore, allowing 7 mm for the overlap where the ends meet, d=290/π or 92 mm.   (It will be a little smaller because some of the length of the strip is taken up in weaving in and out.)

Balls like this made from plain coloured paper or Christmas wrapping paper would make pretty tree decorations.  You can make a bigger ball if you like, but don’t try a smaller one until you know what you’re doing, it will be too fiddly.

Whatever size of ball you want to make, the strips you use should have an aspect ratio (width:length) of somewhere around about 1:35 or 1:40.  You can use a bigger ratio (eg. 1:50) to produce a more open ball, but a ratio that is much less than 1:35 won’t work.  Note that the dimensions for an A4 paper ball are different, because each strip is folded lengthwise into 3 and only then is the ratio about 1:40.  If you use something that is stiffer than ordinary copier paper, then it will not be necessary to fold it into 3, or possibly not even into 2.  Making a small paper ball as a test piece before trying anything more complicated will help you to understand what degree of stiffness is required – too stiff and it will be impossible to weave, too floppy and the ball will not hold its shape.

Fabric can be stiffened by painting on diluted PVA (a ratio of 4 parts water to 1 of PVA is suitable) or using spray starch.  If using PVA, allow it to dry and then paint on another coat if it isn’t stiff enough.  Cut the strips after stiffening to minimise fraying.

Materials for an 85mm diameter paper ball

A sheet of A4 paper (approx. 80g/m2 – ordinary printer/copier paper) or a larger sheet of paper sufficient to cut 10 strips that are each 297 mm long by 21 mm wide
10 or so paperclips
Masking tape or sellotape
A pencil and a ruler
Scissors or a craft knife or roller cutter and a cutting mat

Step 1: Cutting and folding the paper strips

Ideally, use 5 different colours of paper (of the same weight) as I have done in the photos.  Not only will it look pretty but you will be able to see what is going on more easily than using a single colour.

Cut the sheet of A4 paper lengthwise into 10 equal strips measuring 297 mm x 21 mm.  Mark the strips first with the ruler and pencil and then cut them up with scissors, or use a craft knife or roller-cutter in conjunction with a steel ruler and cutting mat.  You don’t need to be super-accurate.

Fold each strip lengthwise twice.  Do this by first folding in one long edge by a third (resulting in a strip 2/3 of its original width) and then folding in the other long edge to meet the first fold.  This will produce a triple layer strip that is 7-8mm wide.

Before weaving the strips, curve each one a little by pulling it round the edge of a curved table top or some other suitable edge.  Do this with the open flap side downwards so that it ends up on the inside of the curve.  Also, check that one end of the folded strip will fit into the other end – re-fold the last 7-8mm or so of one end to make it a bit narrower, or the other end to make its “pocket” a bit wider, if necessary.

Step 2: Starting to weave the strips

To weave, start with five strips, preferably each of a different colour.  Put the other five to one side for now so you don’t get confused.  Follow the pictures to see how to lay them down on the table one by one.

When you come to lay down each of the strips you are using, do it so that they curve upwards.  Looking at the sequence of photos you will see two things: 1. each strip must weave through the others, alternately over and under each of them, and 2. once the fifth strip is in place and the preceding ones have been woven up and under it and each other as necessary, you should end up with a regular pentagon-shaped hole in the centre.  Slide the strips together to make the pentagon as small as it can be.

The next stage brings in the remaining five strips.  Again, each one must weave alternately over and under the other strips that it crosses.  If you follow the path of each strip from one end to the other, it should go over-under-over-under (or under-over-under-over), never under-over-over-under, for example.  But don’t worry too much about where the strips cross near their ends for now, as the under-overs may change as the weaving progresses and additional strips are woven in at any given junction.  You are working outwards from the central pentagon, so concentrate on getting the junctions that surround it right, then the next ring of junctions, and so on. 

Each of the five new strips should end up approximately parallel to one of the five original strips – see picture 9.  That will create 5 (irregular) hexagon-shaped holes surrounding the central pentagon.  I have used the strips in coloured pairs so that the parallel lines can be seen.

Step 3: Creating the ball shape

Now things start to get complicated because you need to bring the strips up off the table to make a 3-D ball.  The easiest way to do that is by using paperclips to secure each of the joints between the hexagons and hold everything in place.  Ease the structure into a bowl shape and keep weaving the strips, taking care that they go under and over each other alternately.  Move the paperclips as you work around the surface of the ball that you are creating to hold each newly created junction of strips in position while you work on the next one.  Every time you create a pentagon, it should be surrounded by 5 hexagons.  From time to time, follow each strip from end to end to ensure that it weaves in and out of the ball and doesn’t go under (or over) two adjacent strips.  Correct any errors before proceeding, it’s really annoying if you get to the end and find a mistake.  And the ball will not be as strong as it ought to be, because it gains its rigidity from the fact that several strips are held together quite firmly at each woven junction.

Step 4: Finishing off

After a while you will find that the ball starts to close up.  You may need to pull each strip in turn from both ends to give you enough slack to keep going.  When you find that both ends of the same strip have come together, tuck one inside the other and secure it with a small piece of masking tape on the outside or it will likely come apart again as you keep working.  When you’ve finished, you can if you like replace the tape with pieces on the inside where they won’t be so obvious, or a drop of glue.  Don’t be tempted to join any ends permanently until the ball is completely finished and you have checked each of the 10 strips all the way round the circumference of the ball to ensure that the weave is correct. 

A final refinement is to slide each strip around to hide its joint under another strip.

Now you know how to weave these balls, have a go with different materials like rattan, the paper ribbon that is sold for wrapping presents, cable ties, the tough pastic binding strip that comes round parcels or birch bark.
hard! ?
<p>Well done!</p>
Lunacy, anyone?
<p>Oh yes, great year.</p>
Thanks a lot for this instructable, I have been looking for the 10 strip weaving ball. It's similar to the 6 strip ball, but more complicated. In the book &quot;Amazing Origami&quot; is only mentioned the instruction of the 6 strip woven ball.
I'm pleased you like it. I recently found instructions for a 4 strip version, in case you're interested. See here: <a href="http://www.thecheesethief.com/2011/11/how-to-weave-paper-ball-ornament.html" rel="nofollow">http://www.thecheesethief.com/2011/11/how-to-weave-paper-ball-ornament.html</a>
Quick who can make the largest one?
In Asia a game called &quot;Sipa&quot; or &quot;Sepak Takraw&quot; is played with a woven ball very similar looking to this. Imagine Volleyball, but only using your feet. I'm sure you could find a youtube vid or two.
The takraw Ball is actually the 6-stripes one you can find <a href="http://www.instructables.com/id/How-To-Weave-A-Greek-Paper-Football/" rel="nofollow">here</a>.
From the pix on the web it's hard to tell whether the balls used for this game are made the same way, but they seem to be made of rattan. I wonder how they join it?
I think the Rattan &quot;laces&quot; they use are extremely long and they make it very similarly to a turks head knot. the amount of weave and friction is probably all that is holding the ball together. The termination points of each lace are probably just sitting inside the ball, unsecured. Rattan (or something called &quot;Buri&quot;) is pretty still, almost like slivers of bamboo, just less prone to breakage when bent. It is also possible that the laces are soaked in warm water before weaving for more flexibility.
Nailed it !<br> <br> I have to mention that the start of the step three is not easy ... It took me some time to realize that there are some caption to the pictures that are helpful, but before that, I spent two evening just being stuck, re-reading the text, and not understanding how it can be applicable to my work in progress ... Once I got the fact that I had to group the end by three, then by two, and finally 'group the groups', I was able to go further, just took some time to grasp.<br> <br> See by yourself:
Well done, I like the bright colours!<br> <br> I'm so sorry you struggled with my instructions, if you can suggest what I need to do to make Step 3 clearer I will amend it. I have to confess I don't understand what you mean by &quot;group the end by three, then by two&quot;, etc. It took me ages to make my first one, the hard part comes when you have to make it 3-dimensional. In the end I just kept looking at it and trying until I figured it out. I'm pretty sure that there is only one way to make it work, all the other ways you might try weaving will result in at least 2 strips that go under or over 2 adjacent strips. Avoid that happening and it should work out right.
I think your instruction are quite clear, just a bit difficult to find (&quot;hidden&quot; as caption to the pictures). It would probably help to cut the step three and four into say ... Six or seven distinct ones. It helps to have to apprehend smaller steps, you gain confidence when you achieve them.<br><br>I just finished another one, made from gift wrap ribbon. Here you have to take longer stripes at start, and at the end let it run along its other side weaving it again like the other end did.<br><br>About my take 3 and take 2 :<br><br>When all the stripes are lying on your table, you can distinguish five groups of four ends. At first you bind number 1 and 3 and stick 2 in-between (or, in your pictures, bind 2 and 4 and stick 3 in the middle) Which give you a group of three, and one alone. The next step (once done with all five &quot;sides&quot;), you bind the remaining one with the one that was left in the middle, this is what I called grouping two.<br><br>Those could become two different steps if you decide to split the huge step three into parts.<br><br>Just my 2 cents.
Forgot the picture ...
So glad people like it. Let me know how you get on when you try to make one.
This is very neat, I see a 10 strip woven ball in my Thanksgiving future!
WOW! Assemble the ball is quite a feat! It is very nice.
That is so cool! I need to find some time to try that!

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Bio: I like making things - anything and everything - and figuring out how to do things by myself. I blog about it as YorkshireCrafter on Wordpress.com. More »
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