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#belts

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Splines
#3StrandBraids

#Braids are the last of the #decorative elements on the #IonicScroll, but like #EggsAndDarts, they are not specific to the #IonicOrder.

Braids are a popular design motif that find wide currency in modern #hairstyles, #fashion, and fashion accessories like #belts and #bracelets.

Braids come in infinite varieties with varying number of strands, thickness of strands, roundness or flatness of strands, and how tightly or loosely they are wound together. Here, I focus on the 3-strand variant mentioned in #Vignola's book and previewed in https://pixelfed.social/p/Splines/792015485979791089. The image here is brightly colored to draw attention to the 3 strands.

The geometry of braid strands is not at all obvious despite how familiar they look. Also, a braid strand is the only feature in the entire iconic order whose geometry cannot be captured with straight lines and circular arcs. Instead, a strand geometry must be defined in a series of steps starting with a basic #sinusoidal curve.

A sinusoidal curve or #sinusoid is a wave form whose function belongs to a family of functions known as #transcendentalFunctions that also include #logarithmic and #exponential functions. I mentioned #logarithmicSpirals in https://pixelfed.social/p/Splines/792499765146596723, and in a future post I will show how to construct one and compare it with the spirals used in our implementation of #IonicVolute.

They are called transcendental functions because they transcend the math of finite algebraic polynomials and go beyond geometry into trigonometry. Fortunately, we don't have to go there.

Few #CAD tools have a direct primitive for a sinusoid, but almost all have a primitive for a 3-dimensional round coil shape called a #helix which we can use to create the sinusoids we need for a braid strand. To create s sinusoid, all we need to do is #project a helix on a flat surface to convert it into a 2D waveform.
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Chamber of Leather Craft

Here's a bit of how I #work .

I make my patterns myself - the ones I use to cut out pieces for #leather #goods and the ones I use for a #handcarved #decoration .

Two of these #leather #belts are decorated by a pattern that are inspired by #Estonian #folkart .

The other two are decorated by a sort of pattern that makes them #unique as they're cut onto the leather without any prepared drawing.

So as there is no #written #proof of the making process - are they #real or are they #myth ?

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millerebonds

Je suis hyper content de ma ceinture en jute minimaliste, avec que des noeuds, du tressage, du torsadage.
Très efficace, une des meilleures ceintures que j'ai jamais eues!!
J'ai dû à l'instant rajuster mon nœud de huit, ça a dû un peu travailler !
Du coup j'aimerai en faire une plus large, un peu plus technique, mais toujours avec le même principe, qui déchire.
Merci Clifford W Ashley!!

#diy#tressage#ceinture
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