Blog Posts by Jim Tolpin

Sector Secrets

                 The theory and construction of a sector is covered in both our books, though in the softcover “By Hound and Eye”…

The Power of Geo-Metron

Or what we call earth-measure today: Geometry. This was man’s most ancient field of study leading to an understanding of the primary structure--dare we say truth--of the patterns…

Addendum to Post “Geometry Vs Algebra Smack down”

An attentive reader asked: “What if you wanted to lay out the centers of the slats instead of their edges”. A great question as it is actually often…

That Snappy Sector

Another primary use of the sector is to quickly find or create a whole number proportional relationship between two dimensions--say the width of a box to its height.…

Algebra vs. Geometry Smackdown

[caption id="attachment_120" align="alignleft" width="736"] Ouch![/caption]   So how do you go about evenly spacing out the slats on a design such as a headboard (as the example shown…

Step Stool Redux

The Humble Step Stool strikes again (or here's what woke me up at 4am this morning): The sequence of ratios embedded in my well-worn step stool project examples…

Going ‘Round the Bend

 This sketch shows an old boatbuilding scheme for figuring out how tight (used to be called “quick”) a certain thickness of wood will bend. (The wood is usually…