![Plans for the golden ratio calipers](https://kumkoniak.com/52.jpg)
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Also available as a heavy-duty 2mm thick version (ask if you’d like these)ģ20mm or 12.8″ high – These are the largest calipers I make – just over a foot long.
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Dentists (working with photos or screens)ġ80mm or 7.2″ high – the original design.Artists working with detail, or smaller pieces.Caliperġ20mm or 4.5″ high – smallest of the 3-armed calipers All have different options for cases – if you’d like your own logo, or something unique, let us know. If you need something unique, let us know – we can probably make it.Īll calipers are made from solid 1.5mm thick stainless steel. But if you're a tool junkie, it's neat to be able to say that you have a Golden Ratio caliper (aka, a Phi Caliper) in your shop.This is a comparison of all the Golden Ratio Calipers available on this site.Įverything is hand-made. Frankly, it's probably close enough to just 'eyeball' the design, and most turners acquire the ability to do that fairly quickly. Golden-ratio calipers may be useful in identifying the ideal point to separate the top and bottom of boxes, or for designing goblets or other turnings. The thin washers are made from an LDPE lid from a coffee can. I used brass-plated binding posts with nylon washers, and also put a thin shop-made washer into each of the four joints so that wood doesn't rub against wood. I made my caliper from a scrap of canary wood (pretty figure, and working it makes the shop smell really nice). I've translated the Captain's video into a drawing and a step-by-step procedure that can be reproduced on one page. As a result, it's a relatively simple matter to follow those instructions to make any size caliper you wish. The Captain described the process in terms of a single base dimension, and then described how all other dimensions relate to that base. The best instructions I have found is an old YouTube video by Capt. There are many instructions on the internet, but most seem to suffer from the same flaw: the instructions provide one set of dimensions, but don't talk about how to scale the up or down to meet personal needs. They can be purchased relatively inexpensively (they are commonly by makeup and tattoo artists), but it's fun and amazingly simple to make them. A tool that may sometimes be useful, but certainly is a conversation piece, is a Golden Ratio Caliper.
![Plans for the golden ratio calipers](https://kumkoniak.com/52.jpg)