"Bald Eagle" <cre### [at] netscapenet> wrote:
> "jr" <cre### [at] gmailcom> wrote:
>
> > v nice.  I bet it would be "lush" as a woven fabric/cloth.
>
> There's a better one for that, I think - the "Honeycomb" that I found in a
> paper.
> Kinda looks like a "dog bone" wood patch that alternates in directions like a
> checkerboard.

Sometimes these things are a little easier to write using some helper functions.

#declare S2P = function (V) {sin (tau*V/L)}
#declare C2P = function (V) {cos (tau*V/L)}
#declare T = 0.5;
#declare N = 1;
#declare Honeycomb = function (X, Y, Z) {pow(S2P(X)*C2P(Z) + S2P(Z) + C2P(X), N)
- pow(T, N)}

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