Step 20: The holes for tensioning the leading edges and placing the stand-offs
The Leading edges
1. Draw a small line at the inside of the leading edge at 45mm from the tip.

2. Make a small hole with a puncher grip.
Watch Out: Make sure NOT to punch through the thread.

The stand-offs
1. Put the sail on the plan, front side up.
2. Mark the holes for the stand-offs according to the lines that transverse the bottom line of the plan.

3. Put the sail on the plan, back side up.
4. Mark the holes for the stand-offs according to the lines that transverse the bottom line of the plan.

5. Using the puncher grip, make the holes at 6 mm from the border of the trailing edge. The size of the holes depends on the sail connectors you use.
Watch Out: Make sure NOT to punch through the thread.