Re: Sylgian's 40K Space Marine [WIP]
Here's a good mechanic that might work for the huge articulated "hand" part of the powerfist (obviously adapted from wooden steampunk):
Mechanical Hand
Generally the market for costumes is pretty dry. It's mostly because the process of making the costumes is so time consuming and expensive there's very little room for any profit, especially if you expect to be paid for your time. Also, it actually becomes pretty hard to let your costume go...