![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjWBYmW5nu3ZB4f1siX_-MTqMz8-_bq1htsDCR8PeWWZEY7osPeBNuVUMq7UASat5EY0xIDTgfq2hEct0xlpKO_vhmn2dP6n7aaSWcfB0fdLfFMXWclWWHx0nH6FzX3VatrLnlAw8DqoZI/s200/2008-03-double+triangle+box+005s.jpg)
Here is the third box which resulted from the exploration which led to the Diamond Boxes. This one has a triangle on both the insides and the outsides of the end walls. Once again the box can be made from any re
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Here is the CP.
I have made a set of step folds but they are a little rough and I have not photographed them yet. Formal diagrams are some time away. (As usual).