unfortunately you probably won't be able to find many if any local cosplayers (even halo ones at that) that can help you specifically with that. However I can tell you from experience that all the resources and help you need can be found on this forum website. I highly suggest combing through the tutorial section and if you have any questions that you can't seem to find answers to, start another thread in new recruits for specifics on what you're looking for. such as what do you use for scaling, what tools do you guys use. how do you make cuts/folds, what method of building you wanna use. It can almost all be found here, and if it's not someone usually steps up to the plate to help with it.