MakerBot Print is our newest print-prepration software, which supports native CAD files and STL assemblies,
allows you to interact with all your printers via the Cloud, and many other exciting new features.
She is looking amazing! Great work, and welcome to the hell of BJD lol, you will love it.
If you want to make your own design, I would strongly recommend you to learn Zbrush or Blender. Blender is free and also has a decent sculpturing tool. Zbrush does cost, but it might be one of the most enjoyable programs to learn, full of possibilities. There are tones of tutorials online, and many of them are free.