Hi,
Just curious - how long is the wing tube in the wing?
Why I ask is because I have a plane (Galactika made from factory late 2015 or early 2016) that has a wing tube length of only 145 millimeter that goes into a wing half, and that has caused bending forces on the wing skin structure so cracks appeared. The manufacturer later modified this so the wing tube is longer now. As comparison on a 2M Sebart MythoS Pro (that I have also) the wing tube length in one wing on that is about 240 mm.
Just thought I would mention this just in case. Maybe You are sure that wing tube length is enough on the Vortex. But it seems maybe little short length in the images You posted? Great wing structure so far in the photos. It will be interesting to see the weight of a ready built and covered wing half later.

/Bo