It's good to have a replacement pacifier, or an extra, for a doll. At least my daughter thinks so. I believe the one I uploaded here may be scaled to fit most dolls. Possibly only the tip needs scaling to fit the mouth of your child's doll.

Generally, keep the pacifier away from children that put things in their mouth! The plastic may break into swallowable-sized parts. (Thanks for the comment by CidVilas!)

I printed this with low infill, one solid layer, one perimeter, and .3mm layer height. Finish is not too good, but good enough. The hinge holes for the handle should be drilled fine to 2.5mm as a finishing operation. The tip should be possible to press-fit into the tip-hole of the body; but as a precaution, it being a swallowable-sized part, better glue it too!