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CP (Crease Pattern) for folding the model. CP on the right shows the most necessary folds; additional folds from the CP on the left can be test-folded using pre-creased lines as guides. I would recommend folding them that way so that the model stays in shape through outwards pressure; though, folding all the lines may also lead to a clean result.
The most important thing to know is that you will need to trisect each section created by two diagonals.
How did I make this?
How did I make this?
This model is based off the key and keycap models that had a square pyramidal shape to them. The issue I was facing there was that there was an overlap of the hidden layers inside the model which had to be spread or dealt with some other way. I realized that trisecting each quarter of the model instead would lead to perfect dimensions with zero overlap and maximized space. Although an origami method of trisection exists, I usually use the trial-and-error method which happens to work quite well for me.
Update: August 12, 2026
Update: August 12, 2026
The trisecting angle was previously only done by estimation. During a montly PAPER meeting (Puget Area Paperfolding Enthusiasts Roundtable) I learnt about an origami method to divide an angle in 3. I used this to later make the stacked pyramid again this time without the estimation!
However, the estimation technique always works well and I would say is perhaps just as accurate if done correctly.
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