Half Letter disc-bound inserts
Half Letter inserts for disc-bound systems, punched at the 25.4 mm pitch that every major disc brand shares.
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- Page box
- 139.7 x 215.9 mm 396 x 612 pt
- Margins
- 12.7 mm all sides
- Writing rows
- 7.5 mm
- Colour
- DeviceGray, rules at 20% K
- Scaling
- Prints at 100%, Actual size preset
Other versions: Sunday start, 2-up and trim-mark sheets
One pitch, every brand
Disc-bound is unusually well standardised. The mushroom-hole pitch is 25.4 mm, exactly one inch, across Levenger Circa, Staples ARC, TUL, Atoma and the Happy Planner. A page punched for one fits all of them.
On a Half Letter page that gives eight holes with a 177.8 mm span and a 19.05 mm gap at each end. Those end gaps landing on exact fractions of an inch is a good sign the model is right rather than approximated.
The punch allowance
These files add 12.7 mm on the punched edge. Disc punches remove a mushroom shape rather than a round hole, so they eat slightly more of the margin than a ring punch does, and a page laid out without the allowance loses the first character of every line.
Related
- Half letter weekly planner
The unpunched Half Letter files
- Classic discbound inserts
The larger 7 x 9.25 in disc size
- Planner sizes
Hole counts and spans for every size