[MsShino]

If you draw your base on paper first you will need to scan it into your computer and edit it in a paint program.

You can do what Miranda suggested in her post and google 'how to pixel a doll base' or follow one of the tutorials. Unfortunately that will be the closest you will get for step by step instructions. You will have to learn as you go by doing things just like other dollers have done before you. Many dollers have their own techniques that they have accumulated over their experiences and most will not share exactly what they do for everything.

Also you might just start dolling on already made bases because there are probably millions out there.