I am now ready to add a type of crafting system to Star Explorers. I am thinking about calling it "Blueprints."
It is not a full fledged crafting game, but I want to allow players to find unique blueprints with which they can create new items. The more common blueprints will describe items that are otherwise available in caches and traders throughout the game. This will help if you need a repair kit, for instance, but you don't have one handy. A repair kit blueprint can be used to create a repair kit out of some other common materials.
However, there will also be blueprints for unique items that one cannot find elsewhere. This is where blueprints will be more interesting. Some items might require a considerable number of gems (for instance) to build, so it will give the player a nice kind of quest to persue in order to create that unique item.
How does the word "Blueprints" sound to you? "Crafting" is a bit more common, but I think it implies Minecraft style building and not the somewhat more limited type of item creation I have in mind.