
The glass cut pattern for this is simple: measure the middle from top of front spar plank down the trough and up to the top of the rear spar plank. Mine was 24cm here and then the length was 120cm and at the ends it was 11cm. So this one draws out and cut to. Remember to make the center 24cm 16cm long, as this goes over the ply wood load spreaders

I also like to have center lines on the glass, which I find make it easier to lay the cloth correctly, as I mark the center line on the spar stubs (on the packaging tape) before the layup and hence all the black lines one sees.
I made sure to again level the wings with zero incidence and aligned with the laser, as well as checked the dihedral, before I did this layup.