Best way to go about making futuristic weapons?

Best way to go about making futuristic weapons?
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Custom WorkstationHey realmers! I've gotten a lot of help from you guys in the past from other customs I've made, so I'm back in need for more help!
I'm making 3 3/4's versions of my characters, as the bases I'm using are more posable and that's something I wanted at the beginning. What I need help with is..how would I go about making a decently wide but somewhat thin see-through sword/axe? Also, I'm making futuristic esque guns that resemble rectangles..
Reference image of the weapons in question
I'd just use those, but 1.) they are way too large, and not in scale with a 3 3/4's inch figure, and I'd like the weapons to be partially see through.
The only idea I could really come up with is to take hot glue and sort of sculpt it out for the sword/axe...but am not too sure about the guns. I could just sculpt them from scratch using sculpy, but I'm unsure at the moment if that's what I wanna do.
Any suggestions?

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Posted by
ryuskrew on Tuesday, March 27, 2012
User Comments
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I think plastic would be the best way to go, I just need to find some that's relatively thick..
Thats all I got.