Guide 4

Measure between slats

Place a ruler between two slats and take a close photo showing the gap clearly.

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Example photo showing the gap between slats measured with a ruler

How to take this photo

1

Place a ruler flat across the gap between two slats.

2

Move the phone close enough so the gap and ruler marks are easy to read.

3

Keep the ruler straight and take the photo from above if possible.

Checklist

  • The gap between the slats is visible.
  • The ruler is straight and readable.
  • The photo is close enough to show the measurement clearly.