Is it possible that you may make materials have tags that specify what cattegories of shapes they can be made into, and the ease of shaping that material into that kind of shape? (Swords, claymores, katana, daggers, axes, etc. would all be in the [simple blades:x] tag, for instance.) A material can have any number of these tags, and a composite material would have the average of both materials (if one didn't have a tag the other did, then the ease of creation for the one lacking is considered 0); Additionally, an Ease tag just for shaping that material in the first place would make it easier to will, say, gold into shape, then, say void or zentol. So by making a composite of a hard-to-will material with an easier one would be able to be willed by someone who "can" will either, and make the more dangerous, difficult one slightly easier to will.
Such as
{
"name" : "Iron",
"symbol" : "i",
"color" : [192, 192, 192],
"stats" : [["density", 5]["ease", 6]]
"ease" : [["geometric", 10]["simpleblades", 10]["complexblades", 8]["armor", 9]]
}
{
"name" : "Gold",
"symbol" : "g",
"color" : [192, 192, 64],
"stats" : [["density", 2]["ease", 10]]
"ease" : [["geometric", 10]["simpleblades", 6]["complexblades", 4]["armor", 7]]
}
{
"name" : "Void",
"symbol" : "V",
"color" : [0, 0, 0],
"stats" : [["density", -10]["ease", 0]]
"ease" : [["geometric", 2]]
}
Though if you don't want to take this idea, it's fine by me. I just thought it was a neat way of doing things.