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It looks like this.
Quote from: gamalot on July 26, 2018, 01:06:05 pmIt looks like this. Doesn't work in Sweden, so no global standard (too many variants to support or call global standard). Why not make them without holes and let the customer use a local hole punch?
Not very inconvenient to punch some holes. Not compared to trying to fill in the erroneous holes.
New holes will be too close to/overlap the eu 3-ring holes.
Quote from: glarsson on July 26, 2018, 04:26:09 pmNew holes will be too close to/overlap the eu 3-ring holes.That's why elongated holes are commonly used for compatibility. Works for both triohålning and ISO 823 (and its four hole extension).What EU three rings, by the way? Two or four is the norm - 8 cm apart for A4.