One of my hobbies is 3D printing with various FDM printers.
On the side, sometimes I have the capacity to print stuff for affordable prices and take payments in Bitcoin.
Lightning accepted!
PM with STL files for a quote

As you are able to 3D printing you may get a good earning from here. But to get good clients you should provide details of your work, skill, experience and also portfolio. If you do so, you can get good view and hopefully think you would be able to get good numbers of projects.