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Left Half

Right Half

Combo Reference (Gallium Layout)

Essential Navigation

L + D + C → Escape
L + D → B
B + L + D → Quit App (GUI+Q)
D + C → . (Dot)

Text Editing

O + U → , (Comma)
' + ; → MEH (Alt+Ctrl+Shift)
Y + O → / (Slash)
Y + O + U → Escape
💡 Gallium Layout Features
  • • 3x6+3 split layout optimized for ergonomics
  • • Gallium alphabet layout for improved finger balance
  • • Home row modifiers (GACS pattern: N/R/T/S on left, H/A/E/I on right)
  • • Six dedicated layers accessible via thumb keys
  • • Strategic combo placements for common operations

Key Features of This Layout

Color Legend:

Home row with modifiers (GUI/Alt/Ctrl/Shift)
Standard alphanumeric keys
Thumb keys (Layer switches)
Combo keys (see Combo Reference above)

Layout Benefits:

  • • Compact 42-key ergonomic layout
  • • Gallium alphabet layout (optimized letter placement)
  • • Home row modifiers for easy access
  • • Layer-based number/symbol access
  • • 6 layers for complete functionality

How to Change Between Layers

1 On Your Physical Keyboard

Hold
Space key (left thumb) → Navigation layer
Arrow keys and navigation controls
Hold
Tab key (left thumb) → Mouse layer
Mouse movement and clicks
Hold
Enter key (right thumb) → Symbols layer
Special characters
Hold
Backspace key (right thumb) → Numbers layer
Numeric keypad layout
Hold
Delete key (right thumb) → Function layer
F-keys and system functions

2 In This Visualizer

Click
Layer buttons above → Switch views
See what each layer looks like
Hover
Over any key → See details
Keys lift up to show they're interactive
💡 Tip: The visualizer shows the final result - on your keyboard, you hold thumb keys to temporarily access other layers while typing

Key Principle: Tap thumb keys for their primary function (Space, Enter, etc.) • Hold thumb keys to activate layers on the opposite hand

Compare Layout Versions:

Silakka54 Layout Corne (Colemak-DH) Current: Corne (Gallium) NEW

Quick Reference:

Home row modifiers: GUI (N/I) | Alt (R/E) | Ctrl (T/A) | Shift (S/H)

Gallium Layout • Corne Keyboard • Alt Layout Guide
Built with Claude Code by itman.fyi