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Hi Scorpio,
I am very glad you like the airplane and that you are going to print it.
Do you print with layer height 0.2mm and width 0.5mm?
What material you use, PLA?

Yes, I will split the tail of the fuselage soon and add a interface for this cut.
The fuselage is not be printed as single shell. I already tried this for the back part but I am afraid it would not be stable enough. There is no need to safe weight, anyway.
The fuselage has a wall thickness of 1mm, that means 2 single shells.

The Turnigy D2826-6 2200kv has the same mounting bolt circle but the outer diameter is too big.
On my other planes I already designed a separate motor mount, but it is in case you need different motor camber and side pull - and easy to exchange after hard landings ;-)
In this case there is no big assortment of motors, the chosen one is ideal.

The fin needs two 2 mm carbon rods. One 140mm (glued to the fin) and one 30mm (glued to the fuselage)
The elevons need one 2 mm carbon rod, 800mm long (not glued)

The wing need two 4mm carbon rods, 800mm long.
On the ends I cut M3 inside. You must do this very careful. To prevent breaking the tube I pulled over a printed tightly fitting bushing, which I can upload.
After the thread cutting I put epoxy glue to the thread. Then cut the thread again. You must do this two times or more if necessary to get a strong thread.
To fasten the wing I used M3 x 20mm nylon screws.