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
ctangular sheet of paper folded either lengthwise or widthwise. {Is that a word?}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).
