Did you think the jewellery section of the retail giant is not for a grimdark hobbyist like you? Think again! If you search for steampunk gears you may find top quality bits that can be purchased cheaply by the bagful.
These lairs of cuteness are usually decorated in a way suggesting they are aimed at XIX-century girls. Don't let this fool you! They often stock strange materials and oddly shaped objects that will solve your modelling problems