It helps you quickly estimate lengths, spacing, and room sizes as you build.
Grid scale on macOS
1 large grid square = 1 m
1 small grid square = 0.25 m (25 cm)
How to use the grid (quick examples)
Want 3 m? Count 3 large squares.
Want 75 cm? That’s 3 small squares (3 × 25 cm).
Tip: Use large squares for rough layout planning, then small squares for fine adjustments.