Fence set-out tool
Give it a span, a paling width, and roughly the gap you want. It spaces the palings evenly, draws the layout to scale, and gives you a list of marks to measure straight off the post.
Result
Palings needed
–
Actual gap
–
Adjust the spacing
Diagram
Marking list — measured from either post
| Paling | Leading edge |
|---|
Measure every mark from the same end with a long tape — that keeps small errors from stacking up across the run. Numbers are shown to the nearest 1mm.