Did you make these yourself? / Did you do these yourself?

Depends on the object. You make cupcakes; you do paintings.

The verb make is used in more specific cases. do is more general.
make usually applies when a thing is put together, assembled, processed, fabricated, or crafted in some way. It applies to things prepared for eating. make a cake, a pie, a casserole, a dessert, a salad. It can also apply to furniture or clothing, and other useful things of that nature. make a

Do often applies to cleaning and housework. Let's do the housework. You do the kitchen and I'll do the bathroom. When we've finished, I want to do my hair / nails. Why don't you see if you can get someone to do the car? (wash and detail)

When you ask, "Did you do these yourself?" the choices are more limited. I think of artistic things - floral arrangem

Avangi"Did you do these yourself?" the choices are more limited.

You took the words out of my mouth. I found it hard to come up with examples because of do these.