You can check your progress in the 'Stats' section of your Pip-Boy or via the statistic that sometimes appears during loading screens.You only need one of the 3 available schematics for each weapon to be able to make it and have it count towards the trophy.To craft a weapon, you need to collect the required parts listed in each schematic then take them to a Craft Bench and select the item you wish to make. See here for the locations of each of the schematics you need to build the above items: LINK (credit to iron_granny69 for this). There are 7 different weapons you need to make:
