Thor Chest Armor
DinoFiend from the RPF – Shares some great information on making the Thor costume from EVA foam and where to get your Mjölnir plans for the hammer.
BananaHammock – Gives great detail and pictures of his process making the full Thor costume, chest armor and all.
EntropyHouse – Has a very popular Craft Foam Armor Tutorial that can be used to make the Thor Chest armor.
RuleOctoberCosplay - Has a Chest armor diagram to help you layout your design.
Thor Hammer Tutorials
StormtheCastle.com – Thor hammer out of foam and a broom stick. Easy enough:)
PSIcorp7 – Refashions a cheap Thor hammer (picked up for $10) into a cosplay-worthy weapon.
ScannerJoe – Shares pepakura file for the Hammer. Great if you don’t want to make your own pepakura file or if you just want the Mjolnir detail.
Thor Sleeve Tutorials
FallenWithStyle.Tumblr.com – Sew a Shirt with Thor Sleeves made from Metallic Spandex, Fabric-back foam, and knit lining.
TheRingLord - Great place to get supplies and video tutorials on using Scalemail if you want to make your sleeves this way. I’ve been told scalemail is not comfortable but is closer to the real costume than anything else.
Muscle Suit Tutorial
Glayish.Tumblr.com – Create your own Hunky Thor muscle suit (or a muscle suite for ANY superhero) with this great Tutorial.
Lady Thor Costume Tutorial
GlitzyGeekGirl – Shares how she made her Thor costume based on the Comic design.
Lady Sif Costume Tutorial
Hildrhien – Shares her process for making Lady Sif which turnes out amazing.