@shwilliam's Preonic Layout

Overview

• Shift, backspace, raise and lower on thumbs
• Arrows on Vim keys
• Function arrow key (=>)
• Common parens one key from home-row
• Brightness/volume control
• Tap caps-lock for escape, hold for left control and left shift
• Alternative punctuation
  • Corner brackets
  • Double-angle brackets
  • Lenticular brackets
• Select to left and right keys
• Emoji layer

Layers

QWERTY

• Base layer; similar to default Preonic keymap

Raise

• Mostly shifted QWERTY layer with alternative actions
• Brightness control

Lower

• Common parentheses
• Arrows on Vim keys
• Mouse controls on WASD
• Volume control

Emoji

• Emoji layout based on mnemonics