This unapologetically self-promotional site contains samples of artwork, commercial and non-commercial design and project documentation. Look, enjoy, and, especially if you are in the market for a unique talent, let me know.
Working from the metaphor of fabric, the approached I took in setting up this optimization was to utilize a surface or target point as a representation of the "site". Using single or multiple distance evaluations I was able to have the algorithm minimize those distances while obeying the tile-to-tile constraints of the system.