What you'll need:
HappyModel X12 AIO
DarwinFPV 1104-4300KV
Caddx Ant
Screw М2х8 and nut (8 sets)
2X46mm Carbon rod (4 units)

No

I stopped printing at about 60 percent, put a carbon rod in the beam, and continued printing. After the plastic shrank, the rod was securely fixed inside the beam.