In this tutorial, I'll show you two distinct techniques to modeling a toroidal ring of saddle surfaces, known as a Scherk-Collins sculpture, without any plugins, addons, or 3rd party software. This beautiful mathematical object could be useful as a pendant, earring, or any kind of modern art sculpture in a cg environment. The only limit is your own imagination. The common modeling techniques I'm using here could be easily translated to any capable 3d polygon modeling software, like Blender.
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