'Threelayout' computer keyboard layout

Canonical namethreelayout.en.ergodox
LanguageEnglish
Form factorSplit : Ergodox / Kinesis
'Author'Jack Rosenthal, modded for KLA by Ian Douglas
Author data may not be correct, we're working on it.
Keys horizontally staggeredNo
Letters on thumb (lower and upper case)0
Uses AltGr for standard charactersYes
Moves non-character keys (ANSI/ISO)No
Changes QWERTY 'shift' pairsYes
Changes top row (ANSI/ISO)No
Uppercase on different keyNo
Conventional home keys, fingering, Space, Enter, Shifts, AltGrNo
Maintains QWERTY zxcvYes

Click image for larger view

threelayout.en.ergodox


Download the Keyboard Layout Analyzer .json file.

Scores

Scores are percentages relative to the best layout for each metric.
MetricPercentage
Finger-based metrics81.57
Word-based metrics65.09
English82.80
Code76.26
Proglish81.93
Words metric for words on home keys49.18
Words metric for no same-finger81.00
Overall score73.33

All layouts (355)

MetricLowestLowest scorethreelayout.en.ergodox scoreHighestHighest score
Fingersyang-mali.en.ansi38.5681.57
chia.en.matrix99.25
Wordsyang-mali.en.ansi7.4565.09
chia-vanilla.en.matrix99.45
Averageyang-mali.en.ansi23.0173.33
chia.en.matrix99.35

All Ergo (81)

MetricLowestLowest scorethreelayout.en.ergodox scoreHighestHighest score
Fingersqwerty-kinesis-advantage.en.ergodox57.7881.57
chia.en.matrix99.25
Wordsqwerty-thumbshift.en.ergodox30.4365.09
chia.en.matrix99.45
Averageqwerty-kinesis-advantage.en.ergodox44.2273.33
chia.en.matrix99.35

All Ergo, uses AltGr (46)

MetricLowestLowest scorethreelayout.en.ergodox scoreHighestHighest score
Fingersgupta-whrl.en.matrix58.5281.57
chia.en.matrix99.25
Wordsgupta-whrl.en.matrix50.4865.09
chia.en.matrix99.45
Averagegupta-whrl.en.matrix54.5073.33
chia.en.matrix99.35

All Ergo, no letters on thumbs (54)

MetricLowestLowest scorethreelayout.en.ergodox scoreHighestHighest score
Fingersqwerty-kinesis-advantage.en.ergodox57.7881.57
x1.en.ergodox96.62
Wordsqwerty-thumbshift.en.ergodox30.4365.09
uciea-keyboard.en.matrix81.76
Averageqwerty-kinesis-advantage.en.ergodox44.2273.33
uciea-keyboard.en.matrix86.82

Comparison to other layouts

threelayout.en.ergodox threelayout.en.ergodox

colemak-thumbshift.en.ergodox

mtgap-thumbshift.en.ergodox

dvorak.en.matrix

maltron-us-90.en.ergodox

qwerty.en.ansi

Best Ergo

chia.en.matrix

Worst Ergo

qwerty-kinesis-advantage.en.ergodox

qwerty-thumbshift.en.ergodox

Finger based metrics

Finger based metrics, as determined with Keyboard Layout Analyzer, using KLAnext scoring model.
QwertEff is the QWERTY Efficiency, i.e. the Score relative to qwerty.en.ansi at 100%.
Lower is better, except for QwertEff.

English

RankLayoutScoreDistanceFingerUsageSameFingerSameHandQwertEff
Bestchia.en.matrix95.9336.9931.7420.386.83184.23
This layoutthreelayout.en.ergodox115.8643.7236.8428.077.24152.54
Referenceqwerty.en.ansi176.7380.4237.5750.728.02100.00

Programming code

RankLayoutScoreDistanceFingerUsageSameFingerSameHandQwertEff
Bestx1_atreus-44-keys.en.ergodox159.6942.9935.9670.4710.25185.56
This layoutthreelayout.en.ergodox209.3957.2236.05100.3715.74141.52
Referenceqwerty.en.ansi296.32124.4144.22115.0012.68100.00

Proglish (an 80:20 English:Code mix)

RankLayoutScoreDistanceFingerUsageSameFingerSameHandQwertEff
Bestchia.en.matrix110.0738.9932.0131.487.58182.28
This layoutthreelayout.en.ergodox134.3446.4036.6842.578.68149.35
Referenceqwerty.en.ansi200.6489.2238.9063.668.85100.00

Overall Fingers score (4 * English % + Code % + Proglish %) / 6

Higher is better.
RankLayoutPercentage
Bestchia.en.matrix99.25
This layoutthreelayout.en.ergodox81.57
Referenceqwerty.en.ansi54.31
MetricLowestLowest scorethreelayout.en.ergodox scoreHighestHighest score
Overall fingersyang-mali.en.ansi38.5681.57
chia.en.matrix99.25

English Word-based analysis

Home Keys Analysis

The Home Keys for this layout are shown with red dots in the first image above, giving the following letters:

aAEehHnNOorRSstT

Home key common words

Not part of final score.
Which of the 200 most common words are typeable on the home keys.

Words handledWords not handled
the to a that as on at he are not or an her has one she so there other than no then these those see three too another here set of and in is was for with it be by i his from had which have were this but you their they all been will who would more its up can him out into we when said them about time if some only also first could two my what over such do may me any like after very most new made your people now between should where years many being our before through much way work did well down back just even because own little make must good under man used both same how still while use last life against know year each us get mr take long part off go day might great never found old gbp right place came during again without come world men end upon think later say few left number away thought until home small different system though around since often called within always every need went

Home key words

How many of the 30,000 most common words in the English corpus are typeable on the home keys.

Home Key lettersEnglish words typeableScoreLongest wordExample
aAEehHnNOorRSstT647267812northeastern

Word count
Word length

No same-finger words

How many of the 30,000 most common words in the English corpus can be typed without using the same finger twice.

Home Key lettersEnglish words typeableScoreLongest wordExample
aAEehHnNOorRSstT2276813694819seventeenth-century

Word count
Word length

Word metric comparisons

MetricLowest exampleLowest scorethreelayout.en.ergodox scoreHighest exampleHighest score
Home keys wordsabcdef.en.ansi152678
chia-vanilla.en.matrix5445
No same-finger wordsyang-mali.en.ansi22591136948
uciea-keyboard.en.ansi169072
Words averageyang-mali.en.ansi7.45 %65.09 %
uhia.en.matrix99.45 %

Typing lessons

Download some English words suitable for learning the layout.
Note if any files are empty it's because there are not enough words to create a lesson. This is most noticeable in the bad layouts.

Week 1Homekey words Day 1 Day 2 Day 3 Day 4 Day 5
Week 2No same-finger words Day 1 Day 2 Day 3 Day 4 Day 5
Week 3Common / tricky words Day 1 Day 2 Day 3 Day 4 Day 5
Week 4Pangrams Day 1 Day 2 Day 3 Day 4 Day 5
Week 5So you think you can type? Day 1 Day 2 Day 3 Day 4 Day 5
Week 6Extra practice 1: Common words in text Day 1 Day 2 Day 3 Day 4 Day 5
Week 7Extra practice 2: Lorem ipsum and friends Day 1 Day 2 Day 3 Day 4 Day 5
Week 8Extra practice 3: Underused words Day 1 Day 2 Day 3 Day 4 Day 5
Week 9Extra practice 4: Commonly misspelled words Day 1 Day 2 Day 3 Day 4 Day 5