Here's a YouTube video on how to make a dollhouse:
You're welcome! Let me see if I can find any 😁
Here's a link with 12 free plans:
Here are several dollhouses with links to free plans. I hope you find one that inspires you. Wishing you the best.
Hello. Ana White has some wonderful building plans. Here’s a link for your consideration. If this is not exactly what you were looking for size wise—have a look at her other plans.
American Girl Dollhouse - Fits 18" Dolls | Ana White