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Okay i know thats a play on words, anyway.
Came across this while searching swtor again.
If anyone played the original Kotor, you may remember that when you opened a crafted weapon it has slots for you to put items into?
If you don't remember heres a refresher
Now apparently according to the picture in the first link and using some fuzzy logic (as i'm extrapolating from what is shown)
It appears that first you can craft your weapon using the skills you know from here
Then using the completed version
use the item you see in the first link
to achieve something similar to what you have in the second link.
Meaning i would guess that you can craft your own weapon, then gather items to slot it with ala kotor