For years you have been able to create weapons with your bare hands, using raw steel, in real life. What if we were to tell you there’s now a way to SIMULATE that in-game?Apparently this will run off of blueprints where various items can be combined to create the item you want. A screen shot of the crafting screen is below:
Valve never ceases to amaze me with the updates for TF2.
Update: Also found http://www.teamfortress.com/war/saxtonhale/poopyjoe.htm