From 15a1dd68eaa8f39ac7fc1dc6c3da149095bfb436 Mon Sep 17 00:00:00 2001 From: Zachary Vance Date: Sat, 12 Apr 2025 11:11:50 -0400 Subject: [PATCH] Fix formatting --- posts/3ring.md | 42 ++++++++++++++++++++++++++++-------------- 1 file changed, 28 insertions(+), 14 deletions(-) diff --git a/posts/3ring.md b/posts/3ring.md index 2f91244..6b837e1 100644 --- a/posts/3ring.md +++ b/posts/3ring.md @@ -11,25 +11,39 @@ title: '3-ring binder spacing' I recently tried to buy a 3-ring binder, and I was annoyed didn't list spacings on paper OR binders. This is my attempt to write a reference for future searchers. -The spacing between rings seems to be standard. The ring size itself isn't standard. Holes vary from 6-8mm. +The spacing between rings seems to be standard. The ring size itself isn't standard. Holes vary from 6-8mm. I live in the United States -- different binders may be standard where you live. -Here are the spacings I found. If you encounter a 3-ring binder not listed, or pre-punched paper that doesn't match the below, please email me with the measurements and brand name. +Here are the spacings I found. If you encounter a 3-ring binder not listed, or pre-punched paper that doesn't match the below, please [email me](https://za3k.com) with the measurements and brand name. Paper sizes: + - **US Letter**: 215.9x279.4 mm / 8.5x11 inch - **A4**: 210 x 297 mm / 8-1/4 x 11-3/4 in - **A5**: 148 x 210 mm / 5-7/8 x 8-1/4 in - **A6**: 105 x 148 mm / 4-1/8 x 5-7/8 in - **Filofax** (brand name): 95x170 mm / 3.75x6.7 inch -- **SMD parts sheets** (unclear if standardized): 117x175 mm; A6 6-ring spacing - -**US Letter, 3-ring**: Aka "standard" 3-ring binders in the USA. - - 108mm hole spacing -**A5, 3-ring**: In Staples, I found these sold as "mini" binders. - - 70mm hole spacting -**A5, 6-ring**: - - 19mm hole pitch, 70mm central gap -**A6, 6-ring**: - - 19mm hole pitch, 40mm central gap -**Filofax, 6-ring**: - - 19mm hole pitch, 50.8mm central gap +- **SMD "sampler" parts sheets** (unclear if standardized): 117x175 mm; A6 6-ring spacing + +**US Letter, 3-ring** + +These are the "standard" 3-ring binders in the USA. + +108mm hole spacing + +**A5, 3-ring** + +In Staples, I found these sold as "mini" binders. + +70mm hole spacting + +**A5, 6-ring** + +19mm hole pitch, 70mm central gap + +**A6, 6-ring** + +19mm hole pitch, 40mm central gap + +**Filofax, 6-ring** + +19mm hole pitch, 50.8mm central gap -- 2.47.3