Decided to put the solid round bar in the opposite direction of the hollow square tube :
The fretboard will have support for downward force, all the way to the last fret.
Wrapped the juncture with loose carbonfiber strands saturated in epoxyglue.
It sill start to look like a guitar soon, and then it will be a little bit more relatable then all this carbon stuff ^_^
I wanted to wait with shaping the soundboard untill i have the stability i`m after in the body, because the soundboard will be dropped into the body and i don`t want any gaps.
