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The Hidden Hexagon

You may remember this page from the introduction to From Truths to Tools. We’ve had a few folks ask about the “hidden hexagon” mentioned in the text and…

Solving Spans with Sticks, Strings, Sightlines and Stones

      In this excerpt from our latest book, “From Truths to Tools”, we show how the carpenter’s of antiquity used the simplest of tools--those mentioned with…

Does this Entasis Make Me Look Fat?

Well no, dear, the curvaceous tapering just makes you look muscular. Or maybe it's just an optical illusion. Or maybe the builders knew that the swelling, though slight,…

Plumbing a Masonic Medal Mystery

  Amongst this collection of Masonic "Past-Master's Jewels" medals, two show a representation of the pythagorean theorem. It is reported that its presence on the owner's medal indicates…

The Sector: For Free and For Sale!

If you haven’t heard of the sector, it probably means you aren’t an artillery officer or a ship’s navigator working in the 17th century! An invention attributed to…

Libella vs. Laser

  Been thinking about the Libella lately...the ancient leveling tool. Would it be as accurate as today's laser levels?  No, probably not. The precision of the laser would…

Thanks Theodorus

Theodorus of Samos of a very long time ago in the golden age of the Grecian Geometers: Where would we be without you?  Historians attribute him with the…

Let the Log do the Talking

Here's my take on what to call the different lumber grading by end grain configuration.  In my opinion, I say let the wood and the geometry provide the…

Da Vinci’s Teacher

This short video clip is a sample of what Jim Tolpin and I are putting together for our soon to be released on-line design workshop. This is one…

If a Tree Falls in the Woods…

  ...does it make a difference? Where it lands that is.  If it does, you likely want to know how far it will fall in order to move…