Talk:Alloy Plate/@comment-175.137.254.148-20130702132236/@comment-24.1.60.153-20130702223538

You either buy the blueprints in the market or earn them as mission/alert rewards.

Warframe blueprints drop from bosses, or in Banshee and Vauban's case, mission rewards/alerts.

You can look at each weapon and warframe page on here to find out.