I would suggest modeling from concept art. or reference... get a handle on how weapons work and what make them functional/cool... then elaborate/improvise those ideas/techniques... there's no part of this weapon that makes any sense or is otherwise interesting. Find something that looks cool/functional and draw inpiration…
I think you should rethink the design, right now it looks neither balanced, nor functional. How does one hold the sword? And why not just hollow out the grip instead of adding an external tank?
qlz - sorry dude, but i have to disagree... steampunk is not about weird bullshit that doesn't make any sense... it's fantasy and low-tech science fiction... some would argue with me about the science portion of that. But regardless. Shit has to function or at least be percieved to have a function.…