Here are the steps to make a ukulele from scratch:

1. Material List: You need mainly wood, but also some other mechanical parts.
2. Bending the Wood for the Shape: You can bend the wood by putting it in a steam box.
3. Cutting the Wood for the Shape: Cut the wood according to the shape you want.
4. Closing the Shape: Glue the pieces together.
5. Adding Support: Add support to the body.
6. Adding the Front Cover: Add a front cover to the body.
7. Adding the Neck: Add a neck to the body.
8. Adding Strings: Add strings to each end of the top section.

Here is a link to a detailed tutorial on how to make an ukulele from scratch . I hope this helps!