Keyboard shortcuts

• W, A, S, D: Camera movement
• Delete or Backspace: Remove model
• Escape: Deselect
• CTRL + C: Copy
• CTRL + V: Paste
• CTRL + Z: Undo
• Q: Rotate clockwise
• E: Rotate counter-clockwise
• Page Up: Shift camera up one floor
• Page Down: Shift camera down one floor
• Shift: Hold for drag placement mode
• 1: Build mode
• 2: Replace mode
• 3: Delete mode
• G: Toggle grid visibility
• T: Toggle texture visibility