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geekhack Community => Ergonomics => Topic started by: ju6ju8Oo on Sun, 10 June 2018, 07:53:54

Title: thumb cluster
Post by: ju6ju8Oo on Sun, 10 June 2018, 07:53:54

I tried dactyl manuform but I don't feel well when my thumb is moved to the bottom columns in the thumb cluster.
Now I am using two keys per thumb, but I want to place more keys on my thumb.

Any other thumb cluster designs?

Title: Re: thumb cluster
Post by: vvp on Sun, 10 June 2018, 13:24:55

Thumb cluster styles:

• Maltron/Kinesis/Ergodox
• Oobly (https://geekhack.org/index.php?topic=49721.msg1077640#msg1077640)
• thumb keys in an arch
• Dactyl
• Datahand
• suka (https://deskthority.net/post44995.html#p44995)
• King's Assembly

Title: algernon
Post by: algernon on Tue, 12 June 2018, 10:15:05

Quote from: vvp on Sun, 10 June 2018, 13:24:55

• thumb keys in an arch

An example keyboard with a thumb arc is the Keyboardio Model 01 (https://shop.keyboard.io/), fwiw. I've seen a number of DIY keyboards with arcs too.

Title: Re: thumb cluster
Post by: Findecanor on Tue, 12 June 2018, 16:36:14

Thumb arcs were common in Japanese ergonomic keyboards in the '80s and '90s. Sometimes a continuation of a more traditional bottom row of modifiers. Sometimes trapezoidal keycaps. Sometimes different widths of keys in the arc. Here's an example (https://deskthority.net/wiki/NEC_PC-8801-KI).
Check also the Esrille (https://www.esrille.com/keyboard/) for a modern version.

Check also out Xah Lee's site (http://xahlee.info/kbd/ergonomic_keyboard_history_index.html) for more examples and his gallery of ergo DIY keyboards (http://xahlee.info/kbd/diy_keyboards_index.html).

Title: Re: thumb cluster
Post by: ju6ju8Oo on Tue, 12 June 2018, 19:32:46

thank you!! I think I will go with a thumb arc, and replace the thumb cluster in dactyl or dactyl-manuform.

Title: Re: thumb cluster
Post by: tombyrer on Mon, 25 June 2018, 07:24:33

I was thinking of finding or hacking an ErgoDox but with detachable thumb clusters so the thumb area is interchangeable.  I like the basic layout, but am unsure of the optimal thumb layout, so I'd like to try several setups without having to remake the entire keyboard.

Anyone else seen such a thing already, or have the same ideas?

Title: Re: thumb cluster
Post by: tombyrer on Mon, 25 June 2018, 09:19:26

Here is a decent listing of thumb clusters:
http://xahlee.info/kbd/diy_keyboards_index.html

missing ReDox though, which may be closer to what you're looking for?
https://github.com/mattdibi/redox-keyboard

Title: Re: thumb cluster
Post by: T14 on Tue, 26 June 2018, 16:45:44

Thumb cluster XXXL on the Maltron single hand keyboard