Hey guys ive discovered something so impressive and it works just fine and is really cheap as a price. Making the halo3 armor or even the extra helemts like ODST or the online helmets is now easier than it seeems, than k you to Erica who made the video tutorial and www.405th.com for there models.
here are the steps guys, view this video/tutorial which explain how cheap and easy it is too make master cheif armor, though be sure guys that you will need to be pasient, im currently working on mine and the helmet is just amazing, the shoulder pads are exactly in in the vid.
pepakura in the vid is a program to open models on paper, then each model is devided like a blueprint. just print the paper, cut the blueprints and glue them where they tell you
after apply the aquaresin in and out and wait till it dries after cover your paper model of aqauresin with fiberglass, polish and paint. the results are amazing.
here is the link where you can find all sorts of paper models, just download and open with the viewer, then print cut and glue 
after apply resin and then fiber glass done.
http://halocostuming.wikia.com/wiki/Pepakura_File_Index
