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.
How to kitbash the old and the new Citadel industrial "Sector Imperialis" terrain to make the elements look cohesive. And how to make them pipes actually connect afterwards despite the conversions. »
The best tool for paint stripping in my book is... brake fluid. The one used in cars. You can buy it at any gas station and at many run-of-the-mill supermarkets. It is designed not to damage metal car parts or plastic pipes but also to prevent corrosion and remove impurities. »