You will need: iPad and Apple Pencil Procreate Drawing App Adobe Illustrator
Every element needs to be on its own layer Make all elements black Use smoother brushes as much as possible
Make sure that all of the layers are visible. Turn off the background layer. Share as a PSD file and share file to your computer.
Open the PSD file with Adobe Illustrator.
Click advanced and check next to "ignore white".
If your design is complicated or textured, you might need to play with the settings to get a perfect image trace.
From there, you can clean the shapes and recolor as desired.