There are only four positions to consider. If you view this image, you see that there are 4 circles drawn over a grid of squares:

  1. The green circle, is centered at the green dot, which aligns with a crossover point of the grid.

    It contains 4 full tiles.

  2. The blue circle, is centered at the blue dot, which is aligned with the grid in the y-axis and misaligned by half a tile in the x-axis.

    It encompasses 6 full tiles in a 3 x 2 arrangement.

  3. The yellow circle, is centered at the yellow dot, which is aligned with the grid in the x-axis and misaligned by half a tile in the y-axis.

    It also encompases 6 full tiles, this time in a 2 x 3 arrangement.

  4. And the magenta circle, is centered at the magenta dot, which is the center of a tile.

    It encompasses 5 full times.

Whether you need full tetrameric (quadrilateral) symmetry (green or magenta) or will settle for bilateral symmetry (blue or yellow), those really are the only 4 points to consider regardless the proportions of the tiles.

How you choose between them is really just a case of deciding upon your criteria and a little math.

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In reply to Re: Placeing Tiles in a Circle by BrowserUk
in thread Placeing Tiles in a Circle by janDD

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