The Scherk tower is made with Scherk 2nd surface.
Your model resembles a Scherk tower, but reference is made to the Scherk-Collins surface (which is non-minimal)
so after rereading your post, I see that the "saddle surface ring" Scherk-Collins surface:
"can be formed by twisting and warping a singly-periodic Scherk’s minimal surface"
so I'm doing some more reading, both art and math... :-)
https://pdfs.semanticscholar.org/8ac1/d46735688959ec7f1f58a92dd268d0e1388c.pdf
The Scherk1
- Brian
I did try out the mathmod and sculpture generator programs a bit.
I'm going to try stacking some Scherk1 saddles using c=0.99, u = 25, v = 25, 100 pts/curve, trimming the tops and bottoms,
copying above and below, rotate 90 degrees, blending, then network...
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