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New-Found Expandable Pinwheel #2 - Diagrams 1/2

There isn't any 21-Piece models today, 21st. July. Instead, I post the diagrams and hope that this series would be continue by anyone who is interested. Basically, the module itself is just a Kite Base with one reverse fold. Theoretically, an infinite number of modules is possible, simply by changing the angle of that reverse fold.

The diagrams on first page is for the 8-Piece model. The angle that needs to be changed for n number of modules is on step 2. The rest of the folding are the same. For cosmetic purpose, I have included step 5 to reveal some of the reverse side of the paper. This can be skipped if you are using Chiyogami papers with repeating patterns or squares cut from flyers.

The photo diagram is just an example of locating an odd angle by using a protractor. I have included a table to show the angles for 5 to 25 modules assemblies. For more modules, the formula to obtain the angle is simply, 360 divided by n, where n represents the number of modules. Example, for a 36-Piece model, 360 divided by 36 = 10 degrees.

Many thanks to Andrey Hechuev's 8-Piece New-Found Hope Star which has inspired me to come up with this Expandable Pinwheel Series.

These diagrams are also posted at my website, hosted by Nick Robinson and kindly sponsored by Dennis Walker. Click on "Diagrams" and then scroll down to select under "Modular" -

www.nickrobinson.info/clients/owrigami/

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Uploaded on July 21, 2017