Sword Building Glitch

I’m making a wooden sword out of boredom, I welded the sword but whenever I play the game some parts of the sword are deleted, I really need help to fix this. :sweat:

What the sword is supposed to look like:

What the sword ends up looking like when you play:

I will attempt to weld them by myself without plugins
Edit: I ended up welding it but it broke so I gave up and I dont want to weld them myself again

Nevermind, all I had to do was make the whole thing a union and name it handle