Hi Waz, you guys really travelled pretty much all around the globe! Interesting: my family is also quite spread out, they are in Italy and the US, but noone on the southern hemisphere unfortunately. Once this pandemic is over I’d definitely try a Xmas during summertime...

Hi v8torrie, congrats on your choice of kit! 👊
At first, I was also a bit puzzled by the two planes on the back of the neck that goes into the cavity:
Click image for larger version. 

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I am pretty sure the longer one towards the headstock should be up against the body cavity, to create the angle between the body and the neck. Seems a bit odd, but here is a picture of my set neck Epiphone for reference.
Click image for larger version. 

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And I hope someone will correct me if I am wrong...!