Blog Posts by Jim Tolpin
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Height by Hand and Eye
An astute follower on Instagram mentioned that an old-school forester could easily get the height of a tree using only a stick the length of his arm.…
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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…
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Biblical Furniture Plan
“They shall construct an ark of acacia wood two and a half cubits long, and one and a half cubits wide, and one and a half cubits…
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Table Height Revelation!
I've found that a lot of furniture proportions can be derived directly off the body, and most often can have a handspan as the common factor/module. For example,…
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More Thales
Say you have a bunch of logs that you want to turn into beams...big beams...beams so big that you basically want to turn the round log into the…
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Thales Theorem Proof
Thales of Miletus In one of the recent posts we showed you how to get a right angle out of a circle, thanks to this guy. A…
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Be There AND Be Square!
The following sequence of steps show how to use simple geometry to create a right angle along the edge of a board--demonstrating that you don't need a square…
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Let’s Get This Straight
Here’s how I go about selecting and conditioning wood for a wooden straight edge that will best maintain its accuracy over a period of time: To begin with…
A Hatchet Job
Straight edge hatchet job from Jim Tolpin on Vimeo. Working without a bandsaw (or any other power tool) I've been forced to get up to speed with my…
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That Snappy Sector Redux
A while back I noticed that a number of architect/builder’s sectors shown in manuscripts from the Renaissance era had the segmentation laid out along a diagonal line rather…