same as the old way ,

get a furnace destroy it 90% of the way with pickaxe and for the 10%left any tool of your choice when it destroys , left click it put the object in and hold a on the object i ...

got it to work but are my weapons supposed to be changed as well? everything else changed except weapons and armor...not sure if thats how it works for you or not or if I need to add something else... ...