Terminology and Instructions for the construction of weapons out of foam.
Be sure to check the subcategories: Category:How to build has instructions for building most weapon types and Category:Materials and its subcategories describe the various foams, tapes, glues, cores, and other materials used to build safe foam weapons.
Eriador construction pages: http://www.angelfire.com/realm2/alcon/construction.html
Includes text and graphic instructions on how-to build almost anything from swords to spears to tunics.
This category has the following 3 subcategories, out of 3 total.