Problem

The Giant Pyramid Puzzle was a gift that I got from some family friends in the late 1980s. It took me several years of off and on fiddling before I discovered a solution to the puzzle. I have since forgotten some of the techniques that I used to eliminate unlikely piece configurations when trying to arrive at the answer, but I did record the layout on a sheet of paper.

Solution

I kept that piece of paper with me for years before deciding to save the information digitally, and it's taken me a while to get around to generating a 3D model of the solution. I have used X3D as it is a good open source XML method to represent three dimensional objects.

I have made the model in the solution red as my original puzzle was red. I wrote a script to dynamically create the model, but I've used a static file for display.

Browsers can't display X3D on their own, so the model below is drawn by a small script that reads the X3D file directly. No plug in is needed. Drag to rotate the pyramid, scroll to zoom, double-click to reset, and hover over a puzzle piece to highlight it.

Your browser does not support the canvas element, so the 3D model cannot be shown here. You can still download the X3D file and open it in an X3D viewer.

Friday, October 30, 2026 @ 21:18:25 EDT

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"The opposite of the religious fanatic is not the fanatical atheist but the gentle cynic who cares not whether there is a god or not."

Eric Hoffer (From The Quotations Page.)