Derive the AKRIBIS One ring from the letters, and make the ring lockup primary

Context and Problem Statement

The delivered ring was a circle of outer radius 79 and stroke 14 with a dot of radius 13 on a 200 grid, numbers with no stated reason. Re-drawn on the glyph grid with the outer diameter equal to the x-height, the stroke came to 44.3 grid units and the dot to 41.1. The dot read too small; the standalone dot of the dot-only lockup (radius 102.7) read too big inside the ring. What sizes the ring’s stroke and dot, and which lockup is the primary one?

Decision Outcome

The ring derives from the letters it stands between, through one module: the stem width (131.6 grid units, the i and l stems).

• Outer diameter = the x-height (500). The ring occupies the x-height band like a letter and centres on it.
• Stroke = stem / 3 (43.86). Measured, that is the gap between the i’s dot and its stem (43.2), the thinnest designed distance in the alphabet. The delivered 44.3 was within 1 %; the exact third is adopted.
• Centre dot = one stem wide (radius 65.8). Between the delivered ring’s dot and the standalone dot, and tied to the letters. Alternatives seen and rejected on 2026-10-04: radius 13/79 of the ring (41.1), radius = stroke (44.3), radius 16 original units (102.7).
• Separator slot of 100 original units (641.6) after “akribis”, the ring or dot centred in it, as delivered (ADR-0011).
• The ring lockup is primary. The dot lockup serves where the ring would render too thin or too small; the letters-only lockup serves running text, signatures and engraving; the ring alone is the compact mark.
• Stacked lockup for narrow spaces: “one” with the ring, right-aligned under “akribis” so the ring still follows the end of “akribis” in reading order; lines 1.5 x-heights apart baseline to baseline. Chosen on 2026-10-04 over a centred version and a vertical one (ring between the words); an earlier left-aligned drawing was rejected.

Consequences

• Good, because every dimension of the ring has a reason that can be read off the alphabet, and a new glyph library scale would carry the ring with it.

• The dot-only lockup keeps the delivered standalone dot (radius 16 original units), since there the dot is the whole separator.

  Note, 2026-10-04. ADR-0016 proposes one dot for the whole mark: the dot-only lockup takes the ring’s centre dot (radius stem / 2) too, and brand/marks/ring.yaml keeps the ring as proportions of the stem and the x-height rather than as drawn numbers.

  Amendment, 2026-10-05 (ADR-0019). The stacked lockup is now “akribis” over “one”, both centred, without the ring or the dot, the lines still 1.5 x-heights apart. Demian set it on 2026-10-05 for every stacked use; the right-aligned ring version is retired.